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IRSOther IRS Forms (7000–9999)

Official form guide

Form 921P: Consent Fixing Period of Limitation on Assessment of Income and Profits Tax

IRS Form 921P is the Consent Fixing Period of Limitation on Assessment of Income and Profits Tax. No official source is available for this form.

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Form Overview

IRS Form 921P - Consent Fixing Period of Limitation on Assessment of Income and Profits Tax

IRS Form 921P is the Consent Fixing Period of Limitation on Assessment of Income and Profits Tax. No official source is available for this form.

Not stated in the official source — verify on the agency site.

Risk Radar

Scan points
  • 1Not stated in the official source — verify on the agency site.
  • 2Filing without the appointment date in Part I for court-appointed fiduciaries.
  • 3Using an outdated edition before confirming the revision date on the IRS website.
  • 4Signing and dating the form before the taxpayer consents in writing.
  • 5Failing to specify the exact tax year or period in Part II.

Plain English

This form is used to agree to extend the time the IRS has to assess additional income or profits tax. By signing, you waive the standard three-year statute of limitations for a specific period.

Submission Date

  • Filing date: 2019-10-25 22:10:13
  • 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

Hover a term to preview the meaning.

What this form is for

  • Use this form when you need to consent to extend the period of limitation on assessment of income and profits tax.
  • Do not use it when you are filing a tax return or requesting an extension of time to file.
  • Check the relevant tax return instructions or the IRS website for guidance on other consent forms, as no specific alternate form is mentioned in the source.

Form selector

Use this form or another form?

Situation

Why it matters

Check before you continue

Likely form

Filer is an estate or trust

Form 921P is for corporations; Form 921 covers non-corporate entities.

Confirm the entity type matches Form 921 or Form 921P in the current IRS instructions.

Form 921

Consent covers multiple tax years

Use Form 921-A for multiple years on one consent to avoid separate filings.

Verify the periods are consecutive and on one form.

Form 921-A

Consent needed for partnership adjustment

Form 921P is for income and profits tax; partnerships use Form 870-P for assessment limitation.

Check the entity is not a partnership.

Form 870-P

Filer is a tax-exempt organization

Exempt organizations use Form 921-T to consent to assessment of unrelated business income tax.

Confirm the organization's tax-exempt status and income type.

Form 921-T

Deadline or filing window

Not stated in the official source — verify on the agency site.

Checklist

What you need before filling it out

1

Field or section

Document or info needed · Usually found in

Common mistakeRisk level
2

Part I: Filer identification

Entity name, address, EIN, and date of appointment · IRS notice of determination or court order

Entering an incorrect EIN or missing a court appointment dateHigh
3

Part II: Tax period

Specific tax year or period end date · Tax return or IRS notice of deficiency

Leaving the period blank or using an ambiguous rangeHigh
4

Part III: Consent signature

Signed by an authorized officer or fiduciary · Corporate minutes or trust document

Signing without written authorization from the entityMedium
5

Date of consent

Actual date the consent is signed · Date on the signature line

Using a date before the tax period endsMedium
6

Attachments

Copy of court appointment or board resolution (if required) · Entity's records or court order

Failing to attach required documentationLow
7

Mailing address

Correct IRS service center for the entity's location · Current IRS form instructions

Using an outdated address from a prior yearHigh

Before you submit

  1. 1Confirm the form edition is current on the IRS website.
  2. 2Fill in the correct tax form number and tax year.
  3. 3Enter the full legal name and taxpayer identification number accurately.
  4. 4Verify the consent period dates match the IRS proposal.
  5. 5Sign and date the form in ink.
  6. 6If signing as a representative, attach a valid power of attorney (Form 2848).
  7. 7Make a copy of the signed form for your records.
  8. 8Mail the completed form to the address specified in the IRS correspondence or on the IRS website.

How to file this form

  1. 1Obtain the current version of IRS Form 921P from the IRS website.
  2. 2Review the IRS instructions and any related correspondence for filing requirements.
  3. 3Enter the taxpayer's name, identification number, and the tax form and year to which the consent applies.
  4. 4Specify the period of limitation extension dates as agreed with the IRS.
  5. 5Sign and date the form in ink.
  6. 6Attach any required authorization documents, such as Form 2848.
  7. 7Keep a copy of the signed form for your records.
  8. 8Mail the form to the appropriate IRS address, following the instructions in the IRS correspondence.

Known limitations

  1. 1No official source is available, so the form's specific limitations are unknown.
  2. 2This form may only apply to income and profits tax assessments, not other tax types.
  3. 3The form might not be accepted if the taxpayer does not have a valid agreement with the IRS.
  4. 4Extensions of the period of limitation may be subject to statutory limits.

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

No official source is available for IRS Form 921P, so the current edition and revision date are unknown. Filers should verify the latest version on the IRS website before use.

What changed or needs a fresh check

  • Edition date — not stated in the official source; confirm the revision date on the IRS website.
  • Fee — not stated in the official source; verify if any fee is required on the IRS website.
  • Mailing address — not stated in the official source; check the current IRS mailing address for consent forms.
  • Signature — sign the form in ink; the IRS requires an original signature for consent forms.
  • Taxpayer identification — include your Social Security number or Employer Identification Number as required.

Quick Facts

Not stated in the official source — verify on the agency site.
Not stated in the official source — verify on the agency site.
Not stated in the official source — verify on the agency site.
Not stated in the official source — verify on the agency site.
Not stated in the official source — verify on the agency site.
Not stated in the official source — verify on the agency site.

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After you file

  1. 1Retain a copy of the signed form and any correspondence with the IRS.
  2. 2Keep the copy for at least 3 years after the extended assessment period ends.
  3. 3Expect no immediate confirmation from the IRS unless the form is part of an audit.
  4. 4Check your IRS account transcript online after a few months to see if the consent was processed.
  5. 5If you need to correct an error, contact the IRS office that issued the consent request immediately.
  6. 6If you do not receive an acknowledgment, follow up with the IRS via phone or in writing.

Sources

  • SRCNot stated in the official source — verify on the agency site for the form's revision date.
  • SRCNot stated in the official source — verify on the agency site for the form's fee information.
  • SRCNot stated in the official source — verify on the agency site for the mailing address.
  • SRCNot stated in the official source — verify on the agency site for any related forms.
  • SRCNot stated in the official source — verify on the agency site for signature requirements.
  • SRCNot stated in the official source — verify on the agency site for the form's purpose.

Common confusion points

Confusion

Why it happens

Safe check

Do I use Form 921 or Form 921P?

Both consents exist; the letter suffix depends on entity type.

Verify the entity is a corporation (Form 921P) or non-corporate (Form 921) in IRS instructions.

Can I consent for multiple years on this form?

Form 921P appears to have a single period line.

Use Form 921-A for multiple years; check if a separate consent per year is needed.

Who signs for a dissolved corporation?

The form asks for an authorized officer, but the corporation no longer exists.

Consult a tax professional or the IRS notice for state-law authorized signer.

Is this form optional or required?

Some taxpayers assume it is optional when responding to a deficiency notice.

Read the accompanying IRS notice: the form is typically mandatory to stop the assessment period.

What if I file after the statutory deadline?

The limitation period may already have expired.

Confirm the IRS notice gives a deadline; late filing may be invalid.

Do I need to notarize the signature?

The form does not have a notary block, but filers may assume it does.

Follow the form's instructions only; no notarization is mentioned in the source.

Where do I mail the form?

No address is printed on the form itself.

Use the address in the current IRS instructions or the address on the accompanying notice.

Workflow map

Related forms and next steps

4 signals

Before

Form 872 — Standard consent form for individuals; may be used before Form 921P if the taxpayer is an individual.Form 872-C — Consent for corporate tax; may precede the use of Form 921P for corporate assessments.

Current

921P

After

Form 870 — Waiver of Restrictions on Assessment; may be filed after consent to waive further notice.

Often used with

Form 2848 — Power of Attorney and Declaration of Representative; required if someone else signs on behalf of the taxpayer.

Questions about IRS Form 921P

What is IRS Form 921P used for?

This form is used to agree to extend the time the IRS has to assess additional income or profits tax. By signing, you waive the standard three-year statute of limitations for a specific period.

Confusion — what should I check?

Why it happens Safe check

Do I use Form 921 or Form 921P?

Both consents exist; the letter suffix depends on entity type. Verify the entity is a corporation (Form 921P) or non-corporate (Form 921) in IRS instructions.

Can I consent for multiple years on this form?

Form 921P appears to have a single period line. Use Form 921-A for multiple years; check if a separate consent per year is needed.

Who signs for a dissolved corporation?

The form asks for an authorized officer, but the corporation no longer exists. Consult a tax professional or the IRS notice for state-law authorized signer.

Is this form optional or required?

Some taxpayers assume it is optional when responding to a deficiency notice. Read the accompanying IRS notice: the form is typically mandatory to stop the assessment period.

What if I file after the statutory deadline?

The limitation period may already have expired. Confirm the IRS notice gives a deadline; late filing may be invalid.

Do I need to notarize the signature?

The form does not have a notary block, but filers may assume it does. Follow the form's instructions only; no notarization is mentioned in the source.

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Source transparency

Copyright & Licensing - US Government Forms

Independent guide

BrieflyGo links to and explains official public form sources. We are not a government agency, and this page is for general form guidance, not legal advice.

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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