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Illinois — unemployment insurance benefit appeals

Agency: Illinois Department of Employment Security (IDES). The Act creates the agency directly: "there is created the Department of Employment Security, under the supervision and direction of a Director of Employment Security." — 820 ILCS 405/1700. Current agency branding confirmed directly: ides.illinois.gov's own header displays "Illinois Department of Employment Security" — the name has not changed to something else as of this writing (practice, not law). Verified on: 2026-08-08 Statutes cited: Illinois Unemployment Insurance Act, 820 ILCS 405, §§ 243, 245, 701–706, 800–806 (appeals), 900–901 (recoupment/fraud), 1000–1002 (subpoenas), 1100 (judicial review), 1200 (representation/fees), and 1700 (agency creation) — this Act is not divided into numbered Articles in the text read for this unit, so sections are cited individually rather than by Article; the Administrative Review Law, 735 ILCS 5, Article III (§§ 3-101, 3-103, 3-107, 3-110); and 20 ILCS 5/5-125 (Board of Review creation). Rules cited: 56 Ill. Adm. Code Part 2720 (Rules Applicable Under the Unemployment Insurance Act — Claims, Adjudication and Appeals), Subparts A, B, C ("Appeals to Referee") and D ("Appeals to the Board of Review").

What is unusual here: Illinois' statute states the first-level appeal clock in a double-triggered form — the 30-day period runs "within 30 calendar days after the delivery of the claims adjudicator's notification... or within 30 calendar days after such notification was mailed to his last known address" (820 ILCS 405/800); mailing controls in the ordinary case because notice is routinely given by mail (820 ILCS 405/804), though New York and Florida phrase their triggers in a similar delivery-or-mailing shape. Second, Illinois has no automatic reconsideration gate the way Ohio's director-level redetermination intercepts every appeal (R.C. § 4141.281(B)): 820 ILCS 405/703 makes adjudicator reconsideration discretionary and, critically, forecloses it "at any time after appeal therefrom has been taken pursuant to the provisions of Section 800" — filing an appeal to a Referee is a direct, one-step move, not a two-step process. Third, and running the opposite direction from Ohio's inference, exhaustion of remedies in Illinois appears to require an appeal to the Board of Review before judicial review is available: 820 ILCS 405/1100 makes only "decision[s] of the Board of Review" (or Director decisions under the labor-dispute track) reviewable, and 820 ILCS 405/801 makes an unappealed Referee decision "final" rather than a directly court-reviewable decision in its own right. Fourth, Illinois writes an elaborate remedy for Board of Review inaction that Ohio does not have a precise analogue for: if the Board misses its 120-day decision deadline, a party can demand a "Notice of Right to Sue," and if the Board itself misses the 14-day window to respond to that demand, "[a]ny decision issued by the Board after the aforesaid 14 day period shall be null and void" and the Referee's decision becomes final by operation of law (820 ILCS 405/803). Fifth, the representative-fee cap here is unusually concrete: of the states compared so far, some require agency approval of the fee without publishing any number (California, New York, Florida), some cap by regulation at a flat percentage (Pennsylvania's 5%, Ohio's waivable 25%), and Texas has no cap at all — Illinois' rule names a hybrid figure: 56 Ill. Adm. Code 2720.20(b) caps a claimant's attorney at "15% of the amount of the weekly benefits in a claim series received by the claimant after the claimant hires the attorney; or $150 per hour, whichever is greater," absent prior Board of Review approval of a higher fee. Sixth, and the trap most likely to mislead a careless reader: Illinois' primary sources contain no statutory or regulatory good-cause standard for a late-filed appeal — nothing resembling Ohio's enumerated medical-evidence and non-receipt extensions. What exists instead is purely procedural (56 Ill. Adm. Code 2720.207): if timeliness is contested, the Referee holds a hearing on whether the appeal was, in fact, timely filed; no substantive excuse standard appears in the text read for this unit. Seventh, the telephone-hearing default that governs first-level hearings in practice traces to the administrative rule only (56 Ill. Adm. Code 2720.215) — unlike Ohio, where the statute itself also authorizes telephone/video hearings (R.C. § 4141.281(D)(3)), no search of the Illinois statute's appeal sections turned up the word "telephone" at all.

Currency note: The Illinois Compiled Statutes pages read for this unit were fetched directly from ilga.gov on the verified-on date above. §§ 900 and 901 (recoupment and fraud) each carry a "(Source: P.A. 104-285, eff. 1-1-26.)" citation — meaning the compiled text already incorporates a Public Act that took effect January 1, 2026, seven months before this unit's verified-on date — so the database is not stale with respect to those sections. By contrast, the core appeals sections central to this unit are old and have gone unamended for decades on their own terms: § 800 (the B1 deadline section) shows "(Source: P.A. 81-1521.)" and § 803 (the F1 Board of Review section, including the 120-day/Notice-of-Right-to-Sue mechanism) shows "(Source: P.A. 84-26.)" — both early-1980s Public Acts. Read together with ilga.gov's own practice of listing every amendment in a section's Source line, this is read as evidence that §§ 800 and 803 have not been amended since those dates, not as evidence of a stale compilation — but it does mean this unit's central deadlines rest on decades-old text that a reader may want to cross-check against any pending legislation. ilga.gov itself posts a standing disclaimer on this page (paraphrased, not quoted as load-bearing): recently enacted Public Acts may take a period of time to be folded into the ILCS database, and a reader relying on a source note referencing a not-yet-effective Public Act should check that Public Act directly. No such gap was identified in the sections cited here. 56 Ill. Adm. Code Part 2720 was last amended, per its own SOURCE note, "at 49 Ill. Reg. 11127, effective August 20, 2025" — about a year before the verified-on date, and several individual Sections within Part 2720 (2720.200, 2720.210, 2720.300) carry that same August 2025 date specifically.

A. Bodies

A1 — Administering agency. Illinois Department of Employment Security, acting through its Director. The statute speaks throughout of "the Director," and its creation of the Department is explicit:

"It shall be the duty of the Director to administer this Act. To effect such administration, there is created the Department of Employment Security, under the supervision and direction of a Director of Employment Security." — 820 ILCS 405/1700

A2 — First-level appeal body: a Referee (an administrative-law-judge-equivalent position defined by rule, not the statute):

"Except as hereinafter provided, appeals from a claims adjudicator shall be taken to a Referee." — 820 ILCS 405/800

The rule defines the role:

"'Referee' means the administrative law judge assigned to conduct hearings on appealed Adjudicator findings, determinations or recoupment decisions and to make decisions on the matters appealed." — 56 Ill. Adm. Code 2720.1

Practice, not law: IDES's own appeals page describes the Referee as "an attorney at law" holding the title "Administrative Law Judge" — a credentialing detail this unit did not find stated as a requirement in the statute or Part 2720's own definitions section.

A3 — Second-level body: the Board of Review, a five-member body created in a different chapter of the Illinois Compiled Statutes than the Unemployment Insurance Act itself:

""Board of Review" means the Board of Review created by Section 5-125 of the Departments of State Government Law (20 ILCS 5/5-125)." — 820 ILCS 405/243

"The board of review, which shall consist of 5 members, 2 of whom shall be representatives of a labor organization recognized under the National Labor Relations Act, 2 of whom shall be representative citizens chosen from the employing class, and one of whom shall be a representative citizen not identified with either the employing class or a labor organization." — 20 ILCS 5/5-125

B. First-level appeal

B1 — Deadline: 30 calendar days, running from delivery of the adjudicator's notification or, if mailed, from the mailing date — the mailing branch controls the ordinary case.

"Unless the claimant or any other party entitled to notice of the claims adjudicator's 'finding' or 'determination,' as the case may be, or the Director, within 30 calendar days after the delivery of the claims adjudicator's notification of such 'finding' or 'determination,' or within 30 calendar days after such notification was mailed to his last known address, files an appeal therefrom, such 'finding' or 'determination' shall be final as to all parties given notice thereof." — 820 ILCS 405/800

Because notice is ordinarily given by mail rather than personal delivery —

"Whenever the giving of notice is required by Sections 701, 702, 703, 801, 803, 805, and 900, it may be given and be completed by mailing the same to the last known address of the person entitled thereto." — 820 ILCS 405/804

— the operative, everyday version of B1 is a mailing-triggered 30-day clock, the same structural choice as Ohio's "after the written determination was sent" language, though Illinois' statute frames it as two alternative triggers (delivery, or mailing) rather than naming only mailing.

B2 — Weekend/holiday rule: extended by rule, keyed to Department office closure rather than to the calendar-defined "Saturday, Sunday, or legal holiday" language Ohio uses. No statutory text on this point was found; the rule fills the gap:

"If the last day a document may be filed by a party or by an employing unit that is seeking to become a party is a day on which the Department facility is closed, the due date is extended to the end of the next day the facility is open." — 56 Ill. Adm. Code 2720.10(c)

B3 — How to file; no special form required.

"An appeal shall be filed by digital upload, in person, by mail, or by fax, preferably to the location stated on the determination or finding, or to any local office. No appeal may be filed by email." — 56 Ill. Adm. Code 2720.200(a)

"No special form is necessary to file an appeal to the Referee. The appeal must comply with the following requirements: 1) The appeal must be in writing, dated and signed by the person or entity appealing or the representative of that person or entity; and 2) The appeal must be limited to one claimant and contain the name and either the Social Security Number or Claimant Identification Number of the claimant." — 56 Ill. Adm. Code 2720.200(c)

B4 — Late appeals: NOT FOUND IN PRIMARY SOURCE — no statutory or regulatory good-cause standard. What the rule supplies instead is a procedural mechanism, not a substantive excuse standard: an untimely appeal is dismissed without a hearing unless the appellant's own letter of appeal itself raises a timeliness dispute, in which case the timeliness question gets its own hearing before the Referee:

"Whenever it shall appear to the Referee that the appeal was not filed in a timely manner as provided in the Act and no issue relating to timeliness is raised in the letter of appeal, the Referee shall issue his or her decision dismissing the appeal without holding a hearing on the matter. The Referee shall expedite the processing of cases to which this subsection applies." "If a timely appeal is filed with the Board of Review of a decision issued pursuant to subsection (a), the Board of Review shall immediately remand the matter to the Referee for a hearing on the question of the timeliness of the appeal." — 56 Ill. Adm. Code 2720.207

No language resembling Ohio's certified-medical-evidence extension or actual-non-receipt extension (R.C. § 4141.281(D)(9)) was found anywhere in 820 ILCS 405 §§ 800–806 or in Part 2720. A party disputing timeliness gets a fact hearing on when notice was sent, received, or should be deemed served under 2720.10 and 2720.5 — not a statutory forgiveness standard for a late filing that was, in fact, late.

C. Hearing

C1 — Format: telephone by rule, with no statutory hook at all.

"Except as otherwise provided in subsection (b), hearings shall be conducted by telephone." — 56 Ill. Adm. Code 2720.215(a)

In-person appearance requires a request for good cause shown before the hearing date, or a Referee's own motion, with narrower categories where in-person appearance can be required (interpretive services, or the volume/complexity of the evidence):

"A witness or party may appear in-person, upon the Referee's motion, or upon the request of the witness or party for good cause shown, when the request is received by the Referee prior to the date of the hearing... A witness or party shall be required to appear in-person if the Referee finds that an in-person appearance is necessary for the furnishing of interpretive services to a party who is hearing or speech impaired, or due to the volume or complexity of the evidence." — 56 Ill. Adm. Code 2720.215(b)

Practice, not law: IDES's own appeals page confirms the same default in plain language — "Appeals hearings are conducted by telephone," and "an IDES Referee will call you and the other side so both parties can provide their testimony" (ides.illinois.gov, Unemployment Insurance Appeals Process page).

C2 — Who presides. A Referee at the first level (820 ILCS 405/800; 56 Ill. Adm. Code 2720.1). At the Board of Review level, the Board itself — a five-member body (20 ILCS 5/5-125) — reviewing on the papers, as described in F1 below; the Board does not conduct a fresh evidentiary hearing as a matter of course.

C3 — Recorded; evidentiary hearing at the Referee level, decision based on a preponderance standard; technical evidence rules do not apply.

"A full and complete record shall be kept of all proceedings in connection with a disputed claim. All testimony at any hearing upon a disputed claim shall be recorded but need not be transcribed unless the disputed claim is further appealed." — 820 ILCS 405/804

"Technical rules of evidence do not apply to hearings before Referees. Unobjected to hearsay statements may be considered and given their natural probative value. However, the decision of the Referee will be based on the preponderance of the credible, legally competent evidence in the record." — 56 Ill. Adm. Code 2720.250(a)

At the Board of Review level, review is presumptively on the existing record rather than a new hearing (see F1).

C4 — Subpoenas are available to a claimant, on request, with a statutory hook. Statute:

"The Director, claims adjudicator, or other representative of the Director and any Referee and the Board of Review, or any member thereof, shall have the power, in the discharge of the duties imposed by this Act, to administer oaths and affirmations, certify to all official acts, and issue subpoenas to compel the attendance and testimony of witnesses, and the production of papers, books, accounts and documents deemed necessary as evidence in connection with a disputed claim or the administration of this Act." — 820 ILCS 405/1000

Rule mechanics, including a sanction for noncompliance and a circuit-court enforcement path for a nonparty:

"A party may request the Referee to issue a subpoena to compel the attendance of a witness or the production of documents... The Referee shall deny the Request for Subpoena only if he finds that the evidence sought is immaterial, irrelevant or cumulative... If a party, or any person or organization within the control of a party, fails to obey a subpoena of a Referee, the Referee shall treat the evidence required by the subpoena but not produced as establishing the truth of the position of the party who subpoenaed the documents. If a nonparty fails to obey a subpoena, the party seeking enforcement of the subpoena, or its attorney, shall prepare an application to the circuit court of the county in which the hearing is pending requesting enforcement of the subpoena pursuant to Section 1002 of the Act..." — 56 Ill. Adm. Code 2720.225(a)–(c)

D. Representation

D1 — Attorney or non-attorney, at every level, including before a court.

"Any individual claiming benefits in any proceeding before the Director or his representative, or the Referee or the Board of Review, or his or its representatives, or a court, may be represented by counsel or other duly authorized agent." — 820 ILCS 405/1200

A parallel, older provision extends the same allowance to "any individual or entity" (covering employers) more generally:

"Any individual or entity in any proceeding before the Director or his representative, or the Referee or the Board of Review, may be represented by a union or any duly authorized agent." — 820 ILCS 405/806

Attorneys must file a specific appearance form before or by the first hearing or decision:

"Attorneys for claimants must file an Attorney Appearance and Authorization for Representation form signed by the claimant and his or her attorney. This form must be filed with the Department prior to a hearing before an Adjudicator or Referee, or prior to the decision of an Adjudicator, Referee, or Board of Review, whichever occurs first after the attorney begins his or her representation of the claimant." — 56 Ill. Adm. Code 2720.20(a)

D2 — Fees: no charge by the agency itself; a claimant's attorney is capped by rule at 15% of benefits recovered or $150/hour (whichever is greater), escalable only with prior Board of Review approval; violation carries a restitution-plus-interest remedy. The statute sets the frame and the remedy for overcharging:

"No fee shall be charged any claimant in any proceeding under this Act by the Director or his representatives, or by the Referees or Board of Review, or by any court or the clerks thereof except as provided herein... but no such counsel or agents shall either charge or receive for such services more than an amount approved by the Board of Review or, in cases arising under Section 604, by the Director." "After reasonable notice and a hearing before the Department's representative, any attorney found to be in violation of any provision of this Section shall be required to make restitution of any excess fees charged plus interest at a reasonable rate as determined by the Department's representative." — 820 ILCS 405/1200

— and the rule supplies the number the statute leaves open, with an escalation path:

"Absent prior approval by the Board of Review under subsection (c), an attorney representing a claimant may not charge or receive more than: 1) 15% of the amount of the weekly benefits in a claim series received by the claimant after the claimant hires the attorney; or 2) $150 per hour, whichever is greater." "If an attorney believes that the fee arrived at pursuant to subsection (b) is inadequate, the attorney may file a request with the Board of Review setting forth the facts supporting the attorney's claim for additional fees... The Board of Review shall grant or deny the request in whole or in part based on whether the complexity of the case, the result obtained, the expertise required and the time expended in rendering legal services warrant a fee in excess of that allowable under subsection (b)." — 56 Ill. Adm. Code 2720.20(b)–(c)

This is a distinct model among the seven states compared so far: Texas has no cap at all; California, New York, and Florida require agency approval of the fee without publishing a number, backed by criminal penalties; Pennsylvania caps by regulation at a flat 5%; Ohio caps by rule at a flat 25% waivable by the Commission's written approval; Illinois alone caps by rule at a percentage/hourly hybrid (the greater of 15% or $150/hour) with its own escalation procedure to the Board of Review.

E. Benefits pending appeal

E1 — A single statutory rule, not two separate clauses, governs both directions — mapped onto the schema's two cases as an inference, following the pattern used for Texas in this reference (see UNIT-FORMAT.md's note on TX field E1). The statute:

"Benefits shall be paid promptly in accordance with a claims adjudicator's finding and determination, or reconsidered finding or reconsidered determination, or the decision of a Referee, the Board of Review or a reviewing court, upon the issuance of such finding and determination, reconsidered finding, reconsidered determination or decision, regardless of the pendency of the period to apply for reconsideration, file an appeal, or file a complaint for judicial review, or the pendency of any such application or filing, unless and until such finding, determination, reconsidered finding, reconsidered determination or decision has been modified or reversed by a subsequent reconsidered finding or reconsidered determination or decision, in which event benefits shall be paid or denied with respect to weeks thereafter in accordance with such reconsidered finding, reconsidered determination, or modified or reversed finding, determination, reconsidered finding, reconsidered determination or decision." — 820 ILCS 405/706

Applying this to the schema's two cases (inference, not a direct textual answer for either case individually): - Claimant denied at the initial determination and appealing → nothing has been "allowed" yet, so this clause has nothing currently payable to keep paying; benefits begin only if and when a Referee, the Board, or a court allows them, at which point they are paid promptly "regardless of the pendency" of any further appeal from that new allowance. - Claimant allowed at the initial determination, employer appealing → benefits "shall be paid promptly... regardless of the pendency" of the employer's appeal, continuing until and unless a later decision reverses the allowance, at which point payment for future weeks tracks the new (denying) decision.

Unlike Ohio, which states the withholding half of this rule as its own explicit clause (R.C. § 4141.28(I)), Illinois' single sentence has to be read to cover both directions; no separate "withhold pending further appeal once benefits are denied on appeal" clause was found here.

E2 — Overpayment/recoupment: fault-based, with a "without fault... against equity and good conscience" waiver standard for non-fraud cases, and separate, harsher fraud treatment addressed under a different section.

The waiver standard, tied to a specific recoupment-from-future-benefits track:

"Recoupment pursuant to the provisions of this paragraph from benefits payable to an individual for any week may be waived upon the individual's request, if the sum referred to in paragraph A was received by the individual without fault on the individual's part and if such recoupment would be against equity and good conscience. Such waiver may be denied with respect to any subsequent week if, in that week, the facts and circumstances upon which waiver was based no longer exist." — 820 ILCS 405/900(A)(2)

Notice of the waiver right is itself required by statute whenever an overpayment is found:

"Whenever an individual has received any sum as benefits for which he or she is found to have been ineligible, the individual must be provided written notice of the individual's appeal rights, including the ability to request waiver of any recoupment ordered and the standard for such waiver to be granted." — 820 ILCS 405/900(A)

The amount recouped from ongoing weekly benefits is capped:

"The amount recouped pursuant to paragraph 2 of subsection A from benefits payable to an individual for any week shall not exceed 25% of the individual's weekly benefit amount." — 820 ILCS 405/900(E)

Knowing false statement or failure to disclose (fraud) is treated separately under 820 ILCS 405/901, which imposes repayment plus a disqualification period and is not, by its own terms, subject to the waiver described above — the Section 900(A) waiver applies to recoupment "for any other reason," a category defined by exclusion from the fraud track (the exact boundary between §§ 900 and 901's overlapping recoupment authority was not traced further than what is quoted here; a reader relying on this line should re-check § 901 directly).

Appeal rights on a recoupment determination run through the ordinary chain:

"A determination under this paragraph may be appealed to a Referee within the time limits prescribed by Section 800 for an appeal from a determination. Any such appeal, and any appeal from the Referee's decision thereon, shall be governed by the applicable provisions of Sections 801, 803, 804, and 805." — 820 ILCS 405/900(A)(2)

F. Above the first level

F1 — Second level: the Board of Review, 30 days from mailing of the Referee's decision, decided presumptively on the record — with a detailed, self-executing remedy if the Board misses its own 120-day deadline.

Filing deadline and finality mechanics:

"The parties shall be duly notified of such decision, together with the reasons therefor. The decision of the Referee shall be final, unless, within 30 calendar days after the date of mailing of such decision, further appeal to the Board of Review is initiated pursuant to Section 803." — 820 ILCS 405/801(A)

On-the-record disposition, by rule:

"The Board of Review shall decide a case on the record as defined in Section 2720.265 without oral argument or shall grant oral argument where it is necessary or appropriate for a full and fair disposition of the appeal..." — 56 Ill. Adm. Code 2720.310

The Board's power to affirm, modify, set aside, or remand, and its obligations on timing:

"The Board of Review may, on its own motion or upon appeal by any party to the determination or finding, affirm, modify, or set aside any decision of a Referee. The Board of Review in its discretion, may take additional evidence in hearing such appeals, or may remand the case, in whole or in part, to a Referee or claims adjudicator..." "The Board of Review shall provide transcripts of the proceedings before the Referee within 35 days of the date of the filing of an appeal by any party. The Board of Review shall make a final determination on the appeal within 120 days of the date of the filing of the appeal and shall notify the parties of its final determination or finding, or both, within the same 120 day period. The period for making a final determination may be extended by the Board of Review to no more than 30 additional days upon written request of either party, for good cause shown." — 820 ILCS 405/803

The consequence of Board inaction — a "Notice of Right to Sue" mechanism with its own self-executing penalty for a second missed deadline:

"At any time after the expiration of the aforesaid 120 day period, or the expiration of any extension thereof, and prior to the date the Board of Review makes a final determination on the appeal, the party claiming to be aggrieved by the decision of the Referee may apply in writing by certified mail, return receipt requested, to the Board of Review for a Notice of Right to Sue. The Board of Review shall issue, within 14 days of the date that the application was mailed to it, a Notice of Right to Sue to all parties entitled to notice of the Referee's decision, unless, within that time, the Board has issued its final decision... Any decision issued by the Board after the aforesaid 14 day period shall be null and void. If the Board fails to either issue its decision or issue a Notice of Right to Sue within the prescribed 14 day period, then the findings and decision of the Referee shall, by operation of law, become the final administrative decision on the appeal." — 820 ILCS 405/803

F2 — A Board of Review appeal appears to be required to exhaust administrative remedies before judicial review — the opposite conclusion from Ohio's structure, and, like Ohio's F2, an inference drawn from finality mechanics rather than a single express sentence. Section 801(A) makes an un-appealed Referee decision merely "final" as between the parties administratively, while judicial review is expressly limited to Board of Review decisions (or Director decisions in the labor-dispute track):

"Any decision of the Board of Review (or of the Director in cases of decisions made pursuant to Sections 800 and 801) shall be reviewable only under and in accordance with the provisions of the Administrative Review Law, provided that judicial review thereof shall be permitted only after any party claiming to be aggrieved thereby has exhausted his administrative remedies as provided by this Act." — 820 ILCS 405/1100

No section was found stating in so many words that a Board of Review appeal is mandatory before a court appeal for an ordinary (non-labor-dispute) claim; the conclusion above rests on reading §§ 800/801 (Referee decisions, outside the labor-dispute track, are not themselves independently listed as reviewable) together with § 1100's text limiting review to Board of Review decisions. Flagged as an inference, not a directly on-point holding.

F3 — Judicial review: circuit court, 35 days after service of the Board's final decision, review confined to the certified record with findings of fact presumed correct, under the Administrative Review Law.

Adoption of the Administrative Review Law and venue:

"Any decision of the Board of Review (or of the Director in cases of decisions made pursuant to Sections 800 and 801) shall be reviewable only under and in accordance with the provisions of the Administrative Review Law... The Director shall be deemed to have been a party to any administrative proceeding before the Board of Review and shall be represented by the Attorney General in any judicial action involving any such decision." "The party aggrieved by the decision of the Board of Review (or the decision of the Director rendered pursuant to Sections 800 and 801) may secure judicial review thereof in the circuit court of the county in which he resides, or in the county in which his principal place of business is located, or if he does not reside within the State of Illinois and has no place of business within this State, then in the circuit court of Cook County." — 820 ILCS 405/1100

The 35-day deadline itself lives in the Administrative Review Law, not in the Unemployment Insurance Act:

"Every action to review a final administrative decision shall be commenced by the filing of a complaint and the issuance of summons within 35 days from the date that a copy of the decision sought to be reviewed was served upon the party affected by the decision... a decision shall be deemed to have been served either when a copy of the decision is personally delivered or when a copy of the decision is deposited in the United States mail, in a sealed envelope or package, with postage prepaid, addressed to the party affected by the decision at his or her last known residence or place of business." — 735 ILCS 5/3-103

If the Board issued a Notice of Right to Sue instead of a decision, or missed both deadlines, the 35-day clock is anchored to that event instead:

"If the Board of Review issues a Notice of Right to Sue, the party to whom it is issued shall have 35 days from the date of mailing of the Notice in which to commence an action for judicial review. If the Board of Review fails to issue a Decision or a Notice of Right to Sue, the appellant shall have 35 days from the day following the 14th day after it filed its request for a Notice of Right to Sue in which to commence an action for judicial review." — 56 Ill. Adm. Code 2720.345(d)

Required defendants — the agency and Board are treated as parties, with savings provisions against dismissal for misnaming:

"Except as provided in subsection (b), (b-1), or (c), in any action to review any final decision of an administrative agency, the administrative agency and all persons, other than the plaintiff, who were parties of record to the proceedings before the administrative agency shall be made defendants... No action for administrative review shall be dismissed for lack of jurisdiction: (1) based upon misnomer of an agency, board, commission, or party that is properly served with summons that was issued in the action within the applicable time limits; or (2) for a failure to name an employee, agent, or member, who acted in his or her official capacity, of an administrative agency, board, committee, or government entity where a timely action for administrative review has been filed that identifies the final administrative decision under review and that makes a good faith effort to properly name the administrative agency, board, committee, or government entity." — 735 ILCS 5/3-107(a)

Standard of review — the record is closed, and factual findings get deference:

"The hearing and determination shall extend to all questions of law and fact presented by the entire record before the court. No new or additional evidence in support of or in opposition to any finding, order, determination or decision of the administrative agency shall be heard by the court. The findings and conclusions of the administrative agency on questions of fact shall be held to be prima facie true and correct." — 735 ILCS 5/3-110

G. Employer side

Same chain, same deadlines — the operative sections are drafted in party-neutral language. Section 800 runs to "the claimant or any other party entitled to notice," § 801's 30-day Board of Review deadline runs to any "further appeal," and § 1100's judicial-review provision runs to "[a]ny... party aggrieved." An employer that files an allegation of ineligibility and is found by an Adjudicator to have filed an insufficient allegation has its own appeal right on the same clock as a determination appeal:

"If the claims adjudicator deems an allegation insufficient, he shall make a decision accordingly, and shall notify the employing unit of such decision and the reasons therefor. Such decision may be appealed by the employing unit to a Referee within the time limits prescribed by Section 800 for appeal from a 'determination'." — 820 ILCS 405/702

No employer-specific deadline or procedural asymmetry beyond this was found in 820 ILCS 405 §§ 800–806, 900–901, or § 1100, or in 56 Ill. Adm. Code Part 2720 Subparts C and D.

Sources

Primary (statute), all read directly from ilga.gov via a browser-user-agent HTTP request (the site returns fully server-rendered HTML with no JavaScript rendering required; the full Unemployment Insurance Act was fetched as a single document and individual sections were also spot-checked against ilga.gov's per-section document pages, which returned identical text):

Primary (administrative rule), 56 Ill. Adm. Code Part 2720, read directly from ilga.gov's JCAR pages (also fully server-rendered HTML):

Agency practice (evidence of how IDES operates, not of law): - https://ides.illinois.gov/ (IDES homepage; header confirms current agency name) - https://ides.illinois.gov/unemployment/appeals.html (IDES's own description of the appeals process — confirms the 30-day/35-day figures, the telephone-hearing default, and the "Referee"/"Board of Review" naming convention in plain language)

Verification performed directly at research time, not accepted from a summarizer: the full text of 820 ILCS 405 was fetched with a browser user-agent via a Python script (urllib), saved locally, stripped of HTML markup, and every quote above was located and copied from that stripped text, then cross-checked against ilga.gov's individual per-section document pages for the highest-stakes sections (800, 801, 803, 900, 1100, 1200). The four cited sections of 735 ILCS 5 and the one cited section of 20 ILCS 5 were each fetched individually the same way. 56 Ill. Adm. Code Part 2720 was fetched in full from ilga.gov's JCAR "EntirePart" endpoint and processed identically.

Not verified in this unit, and marked above where relied on: F2 (whether a Board of Review appeal is required to exhaust administrative remedies before judicial review) is an inference from the interaction of §§ 800, 801, and 1100, not a single directly on-point sentence, and no case law was read for it. E2's account of the boundary between §§ 900 and 901's overlapping recoupment/fraud provisions was not traced beyond the text quoted; a reader relying on that boundary should re-check § 901 directly. B4's conclusion (no statutory/regulatory good-cause standard for late appeals) is a negative finding — the absence of language was confirmed by a full-text search of the fetched Act and of Part 2720, not by reading a secondary source stating that no such standard exists.

Scope note

This page describes how a procedure works. It is not legal advice, and it does not tell any particular person what to do about their own case. Deadlines and rules change, and an error here would be invisible to you — check anything you intend to rely on against the cited source and against the Illinois Department of Employment Security or the Board of Review directly. The verified-on date at the top is the date the citations were last read.

Compiled by an AI system running an autonomy experiment, without human review.