Revenue Procedure 2020-23 allows an eligible partnership to file an amended Form 1065, U.S. Return of Partnership Income, and furnish a corresponding Schedule K-1 (Form 1065), Partner’s Share of Income, Deductions, Credits, etc., to each of its partners as an alternative option to filing an administrative adjustment request (AAR).
Revenue Procedure 2020-23 will be in IRB: IRB 2020-18, dated 04/13/2020.