Start by filling out the general information section of the K-1 form, including your name, address, Social Security number, and contact information. 2. Enter the name and address of the partnership at the top of the form. 3. Enter your share of the partnership’s income, deductions, credits, and other items in the appropriate sections of the form. 4. Complete Form 8865, if necessary, to report any foreign partnership interests that you hold. 5. Complete Form 8582, if necessary, to report any passive activity losses or credits. 6. Calculate your share of the partnership’s tax liability using the information entered on the form. 7. Sign and date the form. 8. File the completed K-1 form with your tax return.