83-310: Summary of Net Income Schedule (2025)

Mississippi · Mississippi DOR · Used for tax years 2025

Mississippi Form 83-310 summarizes net taxable income or loss and income tax credits for a reporting company and its subsidiary companies. The schedule totals these amounts for entry on Form 83-105 or Form 83-391.

What you'll need

The schedule calls for the following information for the reporting company and subsidiary companies:

  • Company name and FEIN.
  • Net taxable income or loss.
  • Credit code and credit amount.

It also includes a line for totals from any additional pages of Form 83-310.

Common mistakes

  • Not rounding amounts: The form says to round to the nearest dollar.
  • Leaving out additional-page totals: Enter totals from additional pages on page 1, line 4, and include them in line 5.
  • Transferring a negative income total: If the total in column C is negative, enter zero on Form 83-105, page 1, line 5, or Form 83-391, page 1, line 1.

Questions people ask

Where do I list each company?

List the reporting company on line 1 and subsidiary companies on line 2. The form also provides additional company spaces on page 2.

How do I calculate the totals on page 1?

On line 3, total the credit amounts in column B and the net taxable income or loss in column C from lines 1 and 2. On line 4, enter the totals from additional pages. Add lines 3 and 4 to get the totals on line 5.

Where does the total credit amount go?

Enter the line 5 total from column B on Form 83-105, page 1, line 7, or Form 83-391, page 1, line 4.

Where does the total net taxable income or loss go?

Enter the line 5 total from column C on Form 83-105, page 1, line 5, or Form 83-391, page 1, line 1. If that total is negative, enter zero on the applicable form.

Official sources

All versions of 83-310