Form PIT-X - New Mexico Personal Income Tax Amended Return

Form PIT-X is the official document used in New Mexico (NM) by individuals to amend, or change, a previously filed personal income tax return. This allows you to correct errors or report new information that affects your tax liability.

When to Use Form PIT-X?

  • You discovered a mistake on your original return, such as miscalculated income or deductions.
  • You received new tax documents after filing, like a corrected Form 1099.
  • Your federal tax return was amended (Form 1040X), which may impact your NM taxes.
  • You are claiming additional deductions or credits you were previously unaware of.

What You Can Amend on Form PIT-X?

  • New Mexico taxable income
  • Federal taxable income (if it affects your NM taxes)
  • Deductions and credits
  • Tax payments

What Information Do I Need to File Form PIT-X?

  • You'll need a copy of your original NM individual income tax return (Form PIT-1).
  • Gather all supporting documentation for the changes you're making.

How to File an Amended Return with Form PIT-X?

Step 1: Get the Form: Download the Form PIT-X attached below.

Step 2: Complete the Form: Fill out the form accurately, including your Social Security number, filing status, and reason for amending the return.

Step 3: Gather Supporting Documentation: Attach any documents that support the changes you're making, such as W-2s, 1099s, or receipts for deductions.

Step 4: File Electronically or by Mail: You can file electronically through the NM Taxation and Revenue Department's website or mail a completed paper copy with supporting documents to the address provided on the form.