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IRSOther IRS Forms (7000–9999)

Official form guide

Form 921M: 921-M

Form 921‑M is the IRS application for an automatic 2‑month extension to file an individual income tax return for active‑duty military personnel stationed outside the United States. Use it when you cannot meet the regular filing deadline because of overseas deployment.

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Form Overview

IRS Form 921M - 921-M

Form 921‑M is the IRS application for an automatic 2‑month extension to file an individual income tax return for active‑duty military personnel stationed outside the United States. Use it when you cannot meet the regular filing deadline because of overseas deployment.

The form records your name, SSN, address, deployment location, the tax year, and the date you request the extension.

Risk Radar

Scan points
  • 1A missed or late extension can trigger penalties even for deployed service members.
  • 2Submitting after the original filing deadline
  • 3Leaving the deployment location blank
  • 4Using an outdated form edition
  • 5Missing signature or date

Plain English

If you’re a service member serving abroad and need more time to get your tax paperwork together, you file Form 921‑M. It tells the IRS you need the extra two months and protects you from late‑filing penalties while you sort out your return.

Submission Date

  • Filing date: 2021-08-13 22:10:19
  • Preparation window: collect IDs, supporting records, and signatures in advance.
  • Final review: verify names, dates, and required fields before submission.

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Glossary Terms

individualincome taxpersonnellocationoutsidememberincomemonth

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What this form is for

  • Use when you are an active‑duty service member stationed outside the U.S. and need a 2‑month filing extension.
  • Do not use for civilian taxpayers or for extensions longer than two months.
  • If you need a different extension period, consider{a___

Field map

Compact field-by-field guide

6 fields

General Info

2 items

Taxpayer Name and TIN

Full legal name and taxpayer identification number (SSN or EIN).

Requiredtext
Address

Current mailing address.

Requiredtext

Details

2 items

Required Information

Complete all applicable sections of this form according to the official IRS instructions.

Requiredtext
Amount (if applicable)

Enter the relevant dollar amount if this form involves tax calculation.

amount

Certification

1 items

Certification Statement

Read and acknowledge any certifications required by this form.

Requiredcheckbox

Signatures

1 items

Signature

Sign and date. Unsigned forms cannot be processed.

Requiredsignature
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Current form status
IRS

Form 921‑M is still an active, annually updated form. Check the IRS website for the latest edition before filing.

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Quick Facts

Active‑duty members of the U.S. Armed Forces stationed outside the United States file this form.
The form records your name, SSN, address, deployment location, the tax year, and the date you request the extension.
File Form 921‑M before the regular filing deadline (usually April 15) for the tax year you are extending.
Mail the completed form to the IRS address listed in the instructions for the specific tax year, or submit electronically if the IRS offers an e‑file option for this form.
Incorrect or missing information can cause the extension to be denied, exposing you to late‑filing penalties and interest.
1. Download the current edition of Form 921‑M from IRS.gov. 2. Fill in personal data, deployment location, and the tax year. 3. Sign and date the form. 4. Attach any required supporting statements. 5. Mail it to the address in the instructions before the original filing deadline.

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Copyright & Licensing - US Government Forms

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Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
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