No. 01 Form 1040 U.S. Individual Income Tax Return (2 pages) → No. 02 Schedule 3 Additional Credits and Payments → No. 03 Form 1040-SR U.S. Income Tax Return for Seniors (3 pages) → No. 04 Schedule 1 Additional Income and Adjustments to Income (2 pages) → No. 05 Schedule 2 Additional Taxes (2 pages) →