Form 921-M – Consent to Fix Period of Limitation on Partnership Adjustments

What Is Form 921-M?

Form 921-M is an IRS consent form that allows a partnership and its partners to agree to fix the period of limitation for partnership adjustments. This consent is required when the partnership wants to apply the rules of Revenue Procedure 92‑29 (and its successors) to extend the limitation period.

Who Must File Form 921-M?

The form is used by:

• Partnerships that have made adjustments affecting a partner’s basis, loss, or credit.
• Partners who agree to the extended limitation period.
• Tax practitioners preparing partnership returns that involve such adjustments.

How to Complete Form 921-M Online

Instead of downloading and editing the PDF manually, you can fill it out directly on our site using the Formize PDF Filler app:

1. Click the "Fill out this form" button below.
2. Wait a few seconds while the Formize PDF Filler loads the fillable version of Form 921-M.
3. Enter the required information in each field. The app validates entries in real time.
4. When all fields are complete, add your electronic signature, review the form, and click Submit to download the completed PDF.

Common Mistakes to Avoid

To ensure a smooth filing process, watch out for these frequent errors:

• Leaving the signature or title of the signer blank – both are mandatory.
• Using an outdated version of the form (always use the latest PDF linked above).
• Failing to attach the consent to the partnership’s tax return (Form 1065).
• Incorrectly entering the partnership’s EIN or tax year.

Where to Submit the Completed Form

After completing the fillable PDF, attach it to your partnership’s tax return and mail it to the appropriate IRS processing center, or submit it electronically if you file using an approved e‑file provider.

Need the original PDF for your records? You can still download the static version below.

Download the original Form 921-M PDF