To add general tax credits from Form 3800 to your tax return, use the amount from Part II, line 38. Sole proprietors, partners in partnerships, LLC members, and S corporation owners pay their business taxes through their personal tax returns (Form 1040). Report your allowable credit for the year on Schedule 3 of Form 1040, line 6. Corporations report the total allowable credit on their corporate tax returns (Form 1120), Schedule J, Part I, line 2b.