Partnerships use Schedule B-1 (Form 1065) to provide information applicable to certain entities, individuals, and estates that own, directly or indirectly, an interest of 50% or more in the profit, loss, or capital of the partnership. Current Revision Schedule B-1 (Form 1065) PDF Recent Developments None at this time. Other Items You May Find Useful All Schedule B-1 (Form 1065) Revisions Other Current Products Related About Form 1065, U.S. Return of Partnership Income About Form 3115, Application for Change in Accounting Method