Certified Professional Employer Organizations (CPEOs) use this form to notify the IRS that a service contract between a CPEO and a customer has started or ended. Current Revision Form 8973 PDF Instructions for Form 8973 (Print Version PDF) Recent Developments IRS approves temporary use of e-signatures for certain forms -- 28-AUG-2020 Other Items You May Find Useful All Form 8973 Revisions About Publication 1167, General Rules and Specifications for Substitute Tax Forms and Schedules About Publication 15-A, Employer's Supplemental Tax Guide (Supplement to Circular E, Employer's Tax Guide, Publication 15) Other Current Products Related About Form 943, Employer's Annual Federal Tax Return for Agricultural Employees About Form CT-1, Employer's Annual Railroad Retirement Tax Return About Form SS-4, Application for Employer Identification Number (EIN) About Form W-2, Wage and Tax Statement
