Unemployment claims · Missouri

Missouri claim deadlines for employers

In Missouri 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 30 calendar days from the determination 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 Missouri, 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.

State

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

Missouri’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

30d10d, Hawaii60d, California

Appeal of a determinationfrom the determination date

30d7d, New Jersey45d, Minnesota

The windows

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

Window	How long	Counted from
Separation response	10 calendar days	the date printed on the notice
Charge protest	30 calendar days	the determination date
Appeal of a determination	30 calendar days	the determination date

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

How the window is held

A deadline anybody has to remember is a deadline somebody misses. The Missouri 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 Missouri 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.

“A protest must be filed within 10 days of the claim notice.”Employer Protest - Unemployment Benefits | Missouri Department of Labor and Industrial Relations

Note from the rules table

The DES employer handbook adds the timeliness mechanics verbatim: 'To be considered timely, the protest must be transmitted or postmarked before midnight Central Time on the date shown on the notice.' and 'If there is not a U.S. postmark or private meter date, the date the protest is received by the DES will be the controlling date.' (Employers' Rights and Responsibilities Under the Missouri Employment Security Law, https://labor.mo.gov/media/21246/download). Note that per the handbook the operative date is the one PRINTED ON THE NOTICE, not notice date plus 10 -- a table should carry the notice's own stated due date where one is present.

Source: Employer Protest - Unemployment Benefits | Missouri Department of Labor and Industrial Relations Read 2026-09-02.

Charge protest

30 calendar days from the determination date.

“A written determination is issued by a deputy concerning employer liability, worker's eligibility for unemployment insurance benefits, unemployment insurance benefit charges to an employer, notification to an employer of rate calculation, or assessment of unpaid taxes, penalties, and interest.”Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook)

Note from the rules table

Missouri contests benefit charges through the ordinary determination-and-appeal route, not through a separate protest of the quarterly statement. The quoted sentence establishes that 'unemployment insurance benefit charges to an employer' are the subject of an appealable written determination; the 30-day window is the general appeal window in the same handbook section: 'An appeal must be filed in writing within 30 days from the date the determination was mailed.' I checked RSMo 288.100 (https://revisor.mo.gov/main/OneSection.aspx?section=288.100) and it contains NO separate provision for protesting a statement of benefit charges -- it addresses only how the division notifies employers of charged benefits. So the quarterly Statement of Benefit Charges itself carries no distinct protest window that I could source.

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

Appeal of a determination

30 calendar days from the determination date.

“The appeal must be filed within 30 days of the date of the determination.”Employer Protest - Unemployment Benefits | Missouri Department of Labor and Industrial Relations

Note from the rules table

The DES employer handbook states it as running from the MAILING date rather than the determination date: 'An appeal must be filed in writing within 30 days from the date the determination was mailed.' See 'contradictions'. The handbook also sets who may sign: 'The appeal must be signed by the claimant, the claimant's authorized agent, any officer or employee of the employing unit, or by a licensed attorney representing either the claimant or employing unit.' Next step up: 'The decision shall become final, unless an application for review of the decision is filed with the Labor and Industrial Relations Commission within 30 days from the date of mailing of the Referee's decision.'

Source: Employer Protest - Unemployment Benefits | Missouri Department of Labor and Industrial Relations Read 2026-09-02.

Relief grounds, in Missouri’s own language

The table carries 8 sourced grounds for Missouri. 2 of them are granted by the state on its own once the determination is final. We do not file for those and we do not bill for them.

Claimant disqualified for discharge for misconduct or quit without good cause

The claimant was disqualified for being discharged due to misconduct connected with the work, or quit without good cause attributable to the work or the employer.

Filed on a letter. null.

“The claimant was disqualified for being discharged due to misconduct connected with the work, or quit without good cause attributable to the work or the employer”Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook)

Item 2 in the handbook's 'Account Charge Protection for Contributory Employer' list. The handbook gives no RSMo section for the list, so citation is null rather than guessed. Requires a timely protest to be found, hence automatic: false.

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

Quit to accept more remunerative work, or failed to accept suitable work

The claimant quit employment to accept more remunerative work, or failed without good cause to accept suitable work offered by the employer.

Filed on a letter. null.

“It is found that the claimant quit employment to accept more remunerative work, or failed without good cause to accept suitable work offered by the employer”Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook)

Item 1 in the same handbook list.

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

Claimant paid $400 or less during the entire base periodAutomatic

The claimant was paid $400 or less by the employer during the entire base period of the claim.

Granted by the state on its own once the determination is final. There is nothing to file and nothing we bill for.

“The claimant was paid $400 or less by the employer during the entire base period of the claim”Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook)

Item 3. Determinable from wage records without an employer request, hence automatic: true.

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

Properly reported probationary worker, 28 consecutive days or less

The claimant was properly reported as a probationary worker whose period of employment for the employer was 28 consecutive days or less.

Filed on a letter. null.

“The claimant was properly reported as a probationary worker whose period of employment for the employer was 28 consecutive days or”Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook)

Item 4. Quote is truncated at a page-column break in the source PDF; the ground continues '... or less.' Depends on the employer having PROPERLY REPORTED the worker as probationary, hence automatic: false.

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

Claimant continued in regular part-time work with the employer

The claimant continued to work for the employer part time on a regular reoccurring basis each week while receiving benefits, to the same extent as previously, AND the employer informs DES of the part-time employment within 30 days from the date of notice of benefit charges.

Filed on a letter. null.

“the employer informs the DES of such part-time employment within 30 days from the date of notice of benefit charges”Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook)

Item 5. IMPORTANT: this 30-day clock is a condition of THIS ONE relief ground only -- it is not a general Missouri charge-protest window, and should not be generalised into one.

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

Quit to relocate with a military spouse under a permanent change of station order

The claimant quit work to relocate with a military spouse due to the spouse's mandatory and permanent change of station order.

Filed on a letter. null.

“The claimant quit work to relocate with a miliary spouse due to the spouse's mandatory and permanent change of station order”Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook)

Item 9. NOTE: 'miliary' is a typographical error IN THE SOURCE HANDBOOK and is reproduced verbatim here as required; do not correct it or the byte-check will fail.

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

Retired under a labor agreement or established employer policy

The claimant retired pursuant to terms of a labor agreement or in accordance with an established employer policy.

Filed on a letter. null.

“The claimant retired pursuant to terms of a labor agreement or in accordance with an established employer policy”Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook)

Item 10, the last in the handbook's list.

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

Pattern of untimely or inadequate responses bars reliefAutomatic

The claimant was incorrectly paid because the employer or employer's agent failed to respond timely or adequately to a written request for information AND a pattern of such failures has been established.

Granted by the state on its own once the determination is final. There is nothing to file and nothing we bill for.

“A pattern is established based on the instances of failure in relation to the total volume of requests.”Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook)

This is a BAR on relief, not a relief ground, included because it governs what happens when separationResponse is blown repeatedly. The handbook cites Rule 8 CSR 10-4.210. Separately, the handbook states flatly: 'There is no account charge protection for reimbursable employers.'

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

Where it gets filed

SIDES / SIDES E-Response (uisides.org)

SIDES E-Response. Handles the separation response.

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

DES protest mail (per the employer handbook)

Mail. Handles the separation response.

Division of Employment Security, P.O. Box 3915, Jefferson City, MO 65102

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

DES protest fax (per the employer handbook)

Fax. Handles the separation response.

573-751-2009

Source: Employers' Rights and Responsibilities Under the Missouri Employment Security Law (Missouri DES employer handbook) Read 2026-09-02.

Representation at a hearing

A non-attorney may represent an employer at a hearing in Missouri

Missouri permits a non-attorney to appear for an employer, and the authority for that is on the jurisdiction's own page. Unemploy can appear at a hearing in Missouri.

8 CSR 10-5.015(9)(B), 'Participation and Representation at Hearings'. Directly answers the question for a corporate employer: an officer or a full-time managerial employee may represent it, no attorney required. The rule defines the term in the next sentence: 'For purposes of this regulation, managerial capacity includes any person who has managerial or supervisory duties as defined by the party.' IMPORTANT LIMIT at (9)(C): a non-officer, non-managerial employee 'may appear, testify, and offer exhibits in hearings in which the business entity is a party. The employee's participation at the hearing is limited to testifying and offering exhibits' -- i.e. such an employee is a witness, not a representative. (9)(E) requires anyone acting in a representative capacity to file notice of intent to represent as soon as possible. The DES employer handbook's only representation sentence -- 'Any interested party may be represented by an attorney in any proceeding before the Appeals Tribunal or the LIRC.' -- would have been INSUFFICIENT on its own, since it names only attorneys; the CSR is what answers the question.

Source: 8 CSR 10-5.015, Appeals Tribunal Rules of Practice and Procedure (Missouri Code of State Regulations, Secretary of State) Read 2026-09-02.

Notes on the Missouri row

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

Missouri's 10-day protest window runs to the DATE PRINTED ON THE NOTICE, not simply notice date plus 10: 'the protest must be transmitted or postmarked before midnight Central Time on the date shown on the notice.' A table should prefer the notice's own stated date where the document carries one.

PRIMARY vs SECONDARY, MAILING ADDRESS: the DES employer handbook says protests may be mailed to 'Division of Employment Security, P.O. Box 3915, Jefferson City, MO 65102'; the labor.mo.gov protest page's own contact block shows 'Division of Employment Security P.O. Box 59 Jefferson City, MO 65104-0059'. Both are primary (both are labor.mo.gov). The Box 3915 address is the one presented specifically FOR PROTESTS; Box 59 is the page's general contact block. A human should confirm before either is used for service.

PRIMARY vs SECONDARY, FAX: handbook says protest fax 573-751-2009; the protest page contact block says Fax: 573-751-9730. Same split as the address -- the 2009 number is the one given in the protest instructions.

PRIMARY vs SECONDARY, APPEAL COUNT-FROM: labor.mo.gov says '30 days of the date of the determination'; the DES employer handbook says '30 days from the date the determination was mailed'. Both primary. countFrom is set to determination_date to match the page quoted in the field, but the handbook's mail-date framing is the safer read for a calculator and the two will usually be the same date.

Every source behind this page

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

The Missouri 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. Every populated field on this row traces to a primary source: the agency's own page, the statute, or the state's own employer handbook. Unemploy is not a law firm and this page is not legal advice.