A beneficiary of certain domestic trusts uses this form to figure the partial tax on accumulation distributions under section 667. Current Revision Form 4970 PDF Recent Developments None at this time. Other Items You May Find Useful All Form 4970 Revisions Other Current Products Related Items About Form 1040, U.S. Individual Income Tax Return About Form 1041, U.S. Income Tax Return for Estates and Trusts About Form 3520, Annual Return To Report Transactions With Foreign Trusts and Receipt of Certain Foreign Gifts