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IRSOther IRS Forms (1000–1999)

Official form guide

Form 15662: 15662

IRS Form 15662 is a request form used to obtain an extension of time to file a specific tax return. It is filed when the taxpayer cannot meet the original filing deadline and needs additional time.

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Form Overview

IRS Form 15662 - 15662

IRS Form 15662 is a request form used to obtain an extension of time to file a specific tax return. It is filed when the taxpayer cannot meet the original filing deadline and needs additional time.

The form captures the taxpayer’s identifying information, the return for which an extension is requested, the reason for the request, and the desired extension period.

Risk Radar

Scan points
  • 1A single typo in the SSN or EIN can invalidate the entire extension request.
  • 2Incorrect taxpayer identification number
  • 3Missing signature or date
  • 4Wrong IRS mailing address
  • 5Failure to attach required supporting documents

Plain English

Think of Form 15662 as a permission slip to extend your filing deadline. You fill it out, send it to the IRS, and they may grant you extra weeks to submit the required return.

Submission Date

  • Filing date: 2025-09-16 22:12:24
  • 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

periodobtaingrant

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What this form is for

  • Use this form when you need more time to file the specific return it references.
  • Do not use it for penalty relief or payment extensions.
  • If you are filing a different type of return, verify whether another extension form is required.

Form selector

Use this form or another form?

Need extension for Form 1120‑F

Faster automatic 6‑month extension

✓ Verify eligibility before filing

Form 1120‑F Extension Request (Form 7004)

Requesting relief from joint liability

Different purpose

✓ Confirm this is the correct form

Form 8379 (Injured Spouse Allocation)

Deadline or filing window

The extension request must be received by the IRS before the original filing deadline of the related return. If the request arrives after that date, the IRS will treat the return as late and may assess penalties. Exact cutoff times are not published; submit as early as possible.

  • —Requested extension days | 30 + additional days approved | Total extension period | Verify it does not exceed statutory maximum

Checklist

What you need before filling it out

1

Taxpayer ID

Social Security Number or EIN · Tax documents, prior returns

⚠ Transposed digits✕ High
2

Reason for extension

Written explanation · Correspondence, hardship docs

⚠ Vague language✕ Medium
3

Signature

Handwritten signature · Original form

⚠ Missing or illegible signature✕ High
4

Date

Date of request · Form field

⚠ Future date✕ Medium
5

Supporting docs

Proof of circumstance · Medical, legal, or financial records

⚠ Incomplete attachment✕ High

Before you submit

  1. 1Use the latest edition of Form 15662
  2. 2Verify taxpayer name and ID match the related return
  3. 3Confirm the correct IRS mailing address
  4. 4Attach all required supporting documents
  5. 5Sign and date the form
  6. 6Check that the requested extension period is within allowed limits
  7. 7Make a copy for your records before sending
  8. 8If e‑filing, ensure the file format meets IRS specifications
  9. 9Use certified mail or delivery confirmation when mailing
  10. 10Retain the receipt or tracking number

How to file this form

  1. 1Download Form 15662 from IRS.gov
  2. 2Complete identification and return information sections
  3. 3Write a concise reason for the extension request
  4. 4Gather and attach any required supporting evidence
  5. 5Sign and date the form
  6. 6Mail to the address listed in the instructions or submit electronically if allowed
  7. 7Track delivery and confirm receipt by the IRS
  8. 8Keep a dated copy of the submitted form and any correspondence

Known limitations

  1. 1The form does not grant an automatic extension; IRS approval is required
  2. 2State tax authorities may have separate extension procedures
  3. 3No fee is listed, but some related filings may require payment
  4. 4The IRS may reject the request for incomplete or inaccurate information
  5. 5Electronic filing is not universally available for this form

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 15662 is currently active and accepted for the tax year indicated in the instructions. Check the IRS website for any updates before filing.

What changed or needs a fresh check

  • Edition date – confirm the form is the most recent version listed on IRS.gov
  • Fee – no filing fee is required for Form 15662
  • Mailing address – use the address in the instructions for the associated return
  • Signature line – ensure the authorized person signs and dates
  • Electronic filing option – verify if e‑filing is permitted for this request

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Quick Facts

The taxpayer or authorized representative who needs more time to file the associated return files this form.
The form captures the taxpayer’s identifying information, the return for which an extension is requested, the reason for the request, and the desired extension period.
It is typically submitted before the original filing deadline of the related return, often 30 days in advance.
The completed form is mailed to the IRS address listed in the instructions for the specific return, or submitted electronically if the IRS permits e‑filing for this request.
Errors or missing information can cause the extension request to be denied, leaving the taxpayer subject to late‑filing penalties.
1. Download the latest edition of Form 15662 from IRS.gov. 2. Fill in all required fields, double‑checking taxpayer IDs and dates. 3. Attach any supporting documentation the instructions require. 4. Sign and date the form, then mail or e‑file it to the address specified for the related return.

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After you file

  1. 1Store the mailed copy and any delivery confirmation
  2. 2Monitor IRS communications for approval or denial notice
  3. 3If approved, note the new filing deadline in your calendar
  4. 4If denied, assess penalties and consider filing the return promptly
  5. 5Update your records with the extension decision
  6. 6Retain all supporting documents for future audits

Sources

  • SRCForm 15662 title and purposefound in IRS form catalog
  • SRCNo filing fee listedIRS instructions for Form 15662
  • SRCSignature requirementstandard IRS form instructions
  • SRCMailing addressIRS instructions section
  • SRCEdition dateIRS website publication date
  • SRCExtension deadline logicgeneral IRS guidance on extension requests
  • SRCElectronic filing availabilitynot specified in the form instructions
  • SRCMaximum extension periodindicated in the form instructions

Common confusion points

Extension vs. payment deadline

Taxpayers think extra time to pay also applies to filing

→ Verify payment due date separately

Form number mix‑up

Form 15662 can be confused with Form 7004

→ Double‑check the form title and purpose

State vs. federal extension

Some think federal approval covers state filing

→ Confirm state requirements independently

Electronic filing availability

Not all IRS offices accept e‑filing for this request

→ Review the latest instructions

Maximum extension length

Unclear how many extra days can be granted

→ Refer to the instructions for statutory limits

Workflow map

Related forms and next steps

5 signals

Before

Gather the original return (e.g., Form 1120‑F) that needs an extension

Current

15662

After

File the underlying tax return by the new deadline

Often used with

Form 7004 for automatic extensions of certain returns

⚠ If something goes wrong

  • File Form 1120‑X (Amended Return) to correct a late filing
  • Pay any accrued penalties and interest promptly

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Source transparency

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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