Use this form to figure your tax on unearned income over $2,100 if you are under age 18, and in certain situations if you are older. Current revision Form 8615 PDF Instructions for Form 8615 (Print version PDF) Recent developments Publication 929, Tax Rules for Children and Dependents will no longer be revised -- 21-JUN-2023 Other items you may find useful All revisions for Form 8615 About Publication 501, Dependents, Standard Deduction, and Filing Information Other current products Related items About Form 1040, U.S. Individual Income Tax Return About Form 1040-NR, U.S. Nonresident Alien Income Tax Return About Form 1040-X, Amended U.S. Individual Income Tax Return About Form 2555, Foreign Earned Income About Form 4868, Application for Automatic Extension of Time to File U.S. Individual Income Tax Return