File Form 1128 to request a change in tax year. Partnerships, S corporations, personal service corporations (PSCs), or trusts may be required to file the form to adopt or retain a certain tax year. Current Revision Form 1128 PDF Instructions for Form 1128 (Print Version PDF) Recent Developments Taxpayer Relief for Certain Tax-Related Deadlines Due To Coronavirus Pandemic -- 14-APR-2020 Other Items You May Find Useful All Form 1128 Revisions About Form 2553, Election by a Small Business Corporation About Form 5308, Request for Change in Plan/Trust Year About Form 8716, Election To Have a Tax Year Other Than a Required Tax Year About Publication 542, Corporations Revenue Procedure 2006-45 Other Current Products Related Items About Form 2848, Power of Attorney and Declaration of Representative About Form SS-4, Application for Employer Identification Number (EIN) About Form SS-4 (PR), Application for Employer Identification Number (EIN) (Puerto Rican Version) Form SS-5, Application for Social Security Card (PDF) About Form 1040, U.S. Individual Income Tax Return About Form 1041, U.S. Income Tax Return for Estates and Trusts About Form 1065, U.S. Return of Partnership Income About Form 1120, U.S. Corporation Income Tax Return
