The boxes are on the Schedule K-1. It tells us what kind of income the partnership generatesbox 1: Ordinary Incomebox 2: Rental Incomehttps://www.irs.gov/pub/ir...
This is verbatim from Form 8582, Part 1, line 3.3. Combine lines 1d and 2d. If this line is zero or more, stop here and include this form with your return;all l...