How do I adjust the amount on line 4a of Form 8960?

Adjusting line 4a on Form 8960

To adjust the amount on line 4a of Form 8960 Net Investment Income Tax, go to:

1. Federal Section
2. Income
3. Less Common Income
4. K-1 Earnings
5. Schedule K-1 Form 1041
6. Adjust the amount listed in box 5 

Line 4a is the rental real estate, royalty, partnership, S corporations, trust income subject to Net Investment Income Tax.