CIT-S: 2. 2025 CIT-S Supplemental Schedule for Additional Members of a Filing Group (2025)

New Mexico · New Mexico TRD · Used for tax years 2025

New Mexico’s 2025 CIT-S is a supplemental schedule for corporations in a filing group that are not listed on Form CIT-1. It reports each additional corporation’s name, FEIN, payments applicable to the return, and $50 if the corporation pays franchise tax.

Who files this form

Use 2025 Schedule CIT-S only if your filing group has more than three corporations. List the corporations included in the filing group that do not appear on Form 2025 CIT-1.

What you'll need

You will need your 2025 Form CIT-1 and the following information for each additional corporation in the filing group:

  • Corporation name.
  • FEIN.
  • Amount of quarterly, tentative, or other payments applicable to this return.
  • Whether the corporation pays franchise tax. If it does, enter $50 in column 4.

How to file

List the remaining filing-group members on Schedule CIT-S. Add the CIT-S subtotals for columns 3 and 4 to the corresponding totals on CIT-1, line I.

Attach Schedule CIT-S to your 2025 Form CIT-1. The provided form text does not give a mailing address or e-filing instructions.

Common mistakes

  • Using CIT-S when the filing group has three or fewer corporations. The form says to use it only for groups with more than three corporations.
  • Listing corporations already shown on CIT-1. CIT-S is for the remaining members.
  • Treating the CIT-S subtotals as the full filing-group totals. Add them to the corresponding totals on CIT-1, line I, columns 3 and 4.
  • Forgetting to attach CIT-S to your 2025 Form CIT-1.

Questions people ask

When should I use 2025 Schedule CIT-S?

Use it only if your filing group has more than three corporations.

Which corporations belong on CIT-S?

List each corporation included in the filing group that does not appear on Form 2025 CIT-1.

What payments should I enter in column 3?

Enter the amount of quarterly, tentative, or other payments applicable to this return for each corporation listed.

What goes in column 4?

Enter $50 if the corporation pays franchise tax.

What do I do with the completed schedule?

Add its column 3 and column 4 subtotals to the corresponding totals on CIT-1, line I, and attach the schedule to your 2025 Form CIT-1.

Official sources

All versions of CIT-S