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Unemployment claims · Illinois

Illinois claim deadlines for employers

In Illinois a request for separation information has to be answered within 10 calendar days from the date printed on the notice. That is the window Unemploy exists to hold: the state decides the claim on whatever it has when it shuts.

The benefit-charge protest window is 45 calendar days from the statement date. That one runs on the quarterly statement; the audit that reads it is free.

Every number on this page is the one in our rules table for Illinois, with the page or statute it was read out of printed beside it. Nothing here is an average across states. If you think a line is wrong, the source is one click away. Tell us and we will fix the row.

The outline is the range across the 49 states the table has sourced. The solid bar is Illinois.

Illinois’s page, with every source

Separation responsefrom the date printed on the notice of claim
10d2d, Alaska15d, Delaware
Benefit-charge protestfrom the date printed on the quarterly statement
45d10d, Hawaii60d, California
Appeal of a determinationfrom the determination date
30d7d, New Jersey45d, Minnesota

The windows

The table carries 3 windows for Illinois. Each is counted from the date named in the last column.

WindowHow longCounted from
Separation response10 calendar daysthe date printed on the notice
Charge protest45 calendar daysthe statement date
Appeal of a determination30 calendar daysthe date the notice was mailed

The table carries no fact-finding window and no wage audit window for Illinois. That is a gap in our table, not a statement that Illinois holds none.

How the window is held

A deadline anybody has to remember is a deadline somebody misses. The Illinois numbers above are not a reference table this site publishes and then forgets: they are the table Unemploy’s AI agents compute from.

An agent computes the due date, never assumes it

An agent puts each notice on the Illinois row above and computes the date from it. Six different things can stop that computation, and each one refuses by name rather than falling back on a default number of days. A guessed deadline renders identically to a real one and puts a countdown on the screen, and the customer finds out it was wrong when the window has already shut.

An agent walks every open window, every thirty minutes

It escalates to you at three days left, at one day left and at two hours left. Inside the last window nothing quiets it, and it clears when the item is filed and not before.

You are the only person in it

An agent classifies the notice and sets the clock. An agent sends the questions to the manager who did the firing. An agent drafts the response from the answers, with the evidence under every sentence. You read it and press send. Nothing else waits on anyone, on either side.

Where each number comes from

One block per window: the number, the state’s own sentence, and anything about the row that is stranger than the number alone suggests.

Separation response

10 calendar days from the date printed on the notice.

“You have 10 calendar days to protest in a timely manner. Protests must be postmarked or faxed by the due date indicated on the Notice of Claim.”FAQs for Employers, If I want to protest a claim, how long do I have?, Illinois Department of Employment Security

Note from the rules table

IDES says 10 calendar days but also says the operative date is 'the due date indicated on the Notice of Claim', the printed date governs and may not be day 10. PRD §6.2 already rules on this: where printed and computed differ, use the earlier and flag. Illinois is where that branch fires most often. Postmark counts here, unlike Colorado.

Source: FAQs for Employers, If I want to protest a claim, how long do I have?, Illinois Department of Employment Security Read 2026-09-02.

Charge protest

45 calendar days from the statement date.

“A taxable employer has forty-five days to file a written protest to the BEN-118. A reimbursable employer has twenty days to file a written protest to the BEN-118R.”FAQs for Employers, What is a benefit charge protest (BEN-118 or BEN-118R)?, Illinois Department of Employment Security

Note from the rules table

45 days applies to a TAXABLE (contributory) employer on the BEN-118, the quarterly Statement of Benefit Charges. A REIMBURSABLE employer gets 20 days on the BEN-118R and must pay the billed amount regardless of protest status, recovering later if the protest succeeds. The desk must read the employer's contributory/reimbursing status before computing this window, two different numbers behind one field. PRD §13.1 flags reimbursing employers as having fewer grounds; in Illinois they also have less than half the time.

Source: FAQs for Employers, What is a benefit charge protest (BEN-118 or BEN-118R)?, Illinois Department of Employment Security Read 2026-09-02.

Appeal of a determination

30 calendar days from the date the notice was mailed.

“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, Appeals to referee or director, Illinois General Assembly

Note from the rules table

30 calendar days after DELIVERY of the claims adjudicator's notification, or after it was mailed to the last known address, whichever applies to how it arrived. Eligibility determinations under Section 604 are appealed to the Director rather than to a Referee; the window is the same, the forum is not.

Source: 820 ILCS 405/800, Appeals to referee or director, Illinois General Assembly Read 2026-09-02.

Relief grounds, in Illinois’s own language

The table carries 8 sourced grounds for Illinois.

Voluntary leaving without good cause

The claimant's separation from the employer was a voluntary leaving without good cause as that term is used in Section 601A, or under the circumstances described in paragraphs 1, 2 and 6 of Section 601B.

Filed on Form BEN-118. 820 ILCS 405/1502.1(A)(3)(a)(1).

“the claimant's separation from that employer was a voluntary leaving without good cause, as the term is used in Section 601A or under the circumstances described in paragraphs 1, 2, and 6 of Section 601B”820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly

Source: 820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly Read 2026-09-02.

Discharge for misconduct, or a felony or theft connected with work

The claimant's separation from the employer was a discharge for misconduct, or for a felony or theft connected with the work, as those terms are used in Section 602.

Filed on Form BEN-118. 820 ILCS 405/1502.1(A)(3)(a)(2).

“the claimant's separation from that employer was a discharge for misconduct or a felony or theft connected with his work from that employer, as these terms are used in Section 602”820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly

Source: 820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly Read 2026-09-02.

Refusal of an offer of, or to apply for, suitable work

The claimant refused to accept an offer of, or to apply for, suitable work from the employer without good cause, as those terms are used in Section 603.

Filed on Form BEN-118. 820 ILCS 405/1502.1(A)(3)(a)(3).

“the claimant refused to accept an offer of or to apply for suitable work from that employer without good cause, as these terms are used in Section 603 (but only for weeks following the refusal of work)”820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly

Relief runs only for weeks FOLLOWING the refusal, it is not retroactive to the start of the claim, so the protest must state the refusal date and claim from it.

Source: 820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly Read 2026-09-02.

Claimant subsequently performed services for at least 30 days for a non-subject employer

After the separation, the claimant performed services for at least 30 days for an individual or organization that is not an employer subject to the Act.

Filed on Form BEN-118. 820 ILCS 405/1502.1(A)(3)(a)(4).

“the claimant subsequently performed services for at least 30 days for an individual or organization which is not an employer subject to this Act”820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly

Source: 820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly Read 2026-09-02.

Claimant ineligible or would have been ineligible under Section 612

Following the separation, the claimant is ineligible or would have been ineligible under Section 612 had they had base period wages from the employers to which that Section applies.

Filed on Form BEN-118. 820 ILCS 405/1502.1(A)(3)(a)(5).

“the claimant, following his separation from that employer, is ineligible or would have been ineligible under Section 612 if he has or had had base period wages from the employers to which that Section applies (but only for the period of ineligibility or potential ineligibility)”820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly

Source: 820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly Read 2026-09-02.

Separation as a result of detention, incarceration, or imprisonment

The claimant's separation from the employer occurred as a result of detention, incarceration, or imprisonment under State, local, or federal law.

Filed on Form BEN-118. 820 ILCS 405/1502.1(D).

“no employer shall be chargeable for any benefit charges which result from the payment of benefits to any claimant after the effective date of this amendatory Act of 1992 where the claimant's separation from that employer occurred as a result of his detention, incarceration, or imprisonment under State, local, or federal law”820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly

Framed as 'no employer shall be chargeable', broader than the last-employer grounds above and not conditioned on the 30-day service test.

Source: 820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly Read 2026-09-02.

Business closed solely because the owner or majority stockholder entered active duty

The employer's business is closed solely because the employer, one or more of its partners or officers, or its majority stockholder entered active duty in the Illinois National Guard or the Armed Forces of the United States.

Filed on Form BEN-118. 820 ILCS 405/1502.1(D-1).

“an employer shall not be chargeable for any benefit charges which result from the payment of benefits to an individual for any week of unemployment after January 1, 2003, during the period that the employer's business is closed solely because of the entrance of the employer, one or more of the partners or officers of the employer, or the majority stockholder of the employer into active duty”820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly

Applies 'notwithstanding any other provision of this Act, including those affecting finality of benefit charges or rates', so it survives an expired protest window. Worth screening for in the audit even on closed quarters.

Source: 820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly Read 2026-09-02.

Voluntary leaving under the conditions described in item 6 of subsection C of Section 500

The payment resulted from the individual voluntarily leaving work under the conditions described in item 6 of subsection C of Section 500.

Filed on Form BEN-118. 820 ILCS 405/1502.1(D-2).

“an employer shall not be chargeable for any benefit charges that result from the payment of benefits to an individual for any week of unemployment after the effective date of this amendatory Act of the 100th General Assembly if the payment was the result of the individual voluntarily leaving work under the conditions described in item 6 of subsection C of Section 500”820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly

Section 500(C)(6) is the domestic-violence leaving provision. PRD §14.4 escalation guard applies, score it, do not draft on it without counsel.

Source: 820 ILCS 405/1502.1, Benefit charges, Illinois General Assembly Read 2026-09-02.

Where it gets filed

IDES, Springfield

Mail. Handles the separation response and the charge protest.

IDES, P.O. Box 19300, Springfield, Illinois 62794-9300

Source: FAQs for Employers, More information, Illinois Department of Employment Security Read 2026-09-02.

Notice of Claim protest by fax

Fax. Handles the separation response.

Source: FAQs for Employers, If I want to protest a claim, how long do I have?, Illinois Department of Employment Security Read 2026-09-02.

Representation at a hearing

A non-attorney may not represent an employer at a hearing in Illinois

An authority we can cite says a non-attorney may not appear for a corporate employer at a hearing in Illinois. Unemploy does not represent employers at hearings in Illinois. We prepare the packet, the exhibits, the witness list and the chronology, and route it to an attorney.

ISBA Advisory Opinion 93-15 (March 1994) concludes that a non-attorney preparing evidence, examining witnesses and representing an employer at an IDES hearing is the unauthorized practice of law, and that a corporation must employ an attorney. AUTHORITY CAVEAT: a state bar ethics opinion is persuasive, not binding, and it is not IDES's own rule, which is why this row carries `verified: false`. The value is `false` rather than `null` because an authority did answer the question; if that authority is later found to be superseded, the value moves to `null` first, never straight to `true`. Firm up against 705 ILCS 205/1 (Attorney Act) and 56 Ill. Adm. Code Part 2720 (IDES appeals procedure).

Source: Illinois State Bar Association Advisory Opinion on Professional Conduct No. 93-15 (March 1994) Read 2026-09-02.

Notes on the Illinois row

What the person who sourced this row wanted the next reader to know, verbatim.

verified: false, and only because of `representation`. All three windows and all eight relief grounds trace to IDES's own FAQ or to the Illinois Compiled Statutes on ilga.gov. The single soft field is the representation authority, which is an ISBA ethics opinion rather than an IDES rule or a statute. Do not read `verified: false` as doubt about the deadlines.

chargeProtest is contributory-vs-reimbursing dependent: 45 days on the BEN-118, 20 days on the BEN-118R. `days` carries the taxable-employer number. A reimbursing tenant needs the 20-day figure, and the tenant's status has to be known before the deadline engine runs. This is a real modelling gap in the shape ENGINEERING-SPEC §5.1 gives, one WindowRule cannot express it.

820 ILCS 405/1502.1(A)(2) carries a near-identical set of grounds for separations occurring BEFORE the benefit year begins, with slightly different wording. Only the (A)(3) set, the current last-employer set, is modelled. A pre-benefit-year separation needs the (A)(2) text read before it is scored.

Every source behind this page

6 documents, each one fetched and read on the date beside it. No number on this page comes from anywhere else.

The Illinois row describes the rules in effect from 2026-09-02, and every row in the table was last read against its sources on 2026-09-02. This row is marked unverified: at least one field on it rests on something softer than a primary source. The notes above say which. Unemploy is not a law firm and this page is not legal advice.