Form 8809-I is used to request an initial or additional extension of time to file Form 8966 for the current text year. Current Revision Form 8809-I PDF Instructions for Form 8809-I (Print Version)PDF Recent Developments IRS.gov link for questions about Form 8809-I has been updated -- 20 -MAY-2022 Other Items You May Find Useful All Revisions for Form 8809-I About Form 8966, Foreign Account Tax Compliance Act (FATCA) Report Other Current Products