NH-1065: Partnership Business Tax Return (2025)
New Hampshire · New Hampshire DRA · Used for tax years 2025
Form NH-1065 is New Hampshire’s 2025 Partnership Business Profits Tax Return. It reports partnership income and deductions, state adjustments, New Hampshire apportionment, and the net operating loss deduction.
What you'll need
The return must include complete, legible copies of the appropriate federal forms and schedules. Federal Form 1065, Schedule K supplies many of the income and deduction amounts requested.
Depending on your entries, the form also calls for:
- Schedule IV for adjustments on Lines 2(c) and 2(e).
- A schedule of separate entity income or expenses for Line 4.
- A schedule of income or franchise taxes by state for Line 6(c).
- A research contribution computation for Line 6(f).
- A schedule detailing each transaction when reporting multiple transactions on Line 6(g).
- Form DP-80, BPT Apportionment Schedule, if New Hampshire apportionment is other than 100%.
- Form DP-132 for the New Hampshire net operating loss deduction.
- The BET Credit Worksheet for a BET-only credit, or Form DP-160 for other credits including BET.
How to file
Enter the business organization name, taxpayer identification number, and taxable period. Round amounts to the nearest whole dollar.
Use the federal income and deduction amounts requested in Part 1, then complete the New Hampshire adjustments, apportionment, net operating loss deduction, tax calculation, and credits.
Report the tax from Line 14 on BT-Summary, Line 1(b). Include complete, legible copies of the appropriate federal forms and schedules and any required attachments.
The supplied form does not provide a mailing address or e-file instructions.
Common mistakes
- Not rounding amounts. The form says to round to the nearest whole dollar.
- Omitting federal attachments or sending unreadable copies. Complete, legible copies of the appropriate federal forms and schedules must accompany the return.
- Entering negative amounts where zero is required. Lines 9 and 11 require zero if the calculation is negative. Line 14 cannot be less than zero.
- Skipping the apportionment schedule. Complete Form DP-80 if New Hampshire apportionment is other than 100%.
- Forgetting to carry the result to BT-Summary. Report Line 14 on BT-Summary, Line 1(b).
Questions people ask
What taxable period does this form cover?
The form is for calendar year 2025 or another taxable period with beginning and ending dates entered on the return.
What tax rate does the 2025 form use?
Line 12 calculates tax by multiplying New Hampshire taxable business profits on Line 11 by 7.5%.
What if New Hampshire apportionment is not 100%?
Complete Form DP-80, BPT Apportionment Schedule. Enter the percentage from DP-80, Line 1(c), on NH-1065, Line 8.
Which attachment do I use for tax credits?
For a BET-only credit on Line 13(a), attach the BET Credit Worksheet. For other credits including BET on Line 13(b), attach Form DP-160.