What documents are required to charge an indirect cost?

If you wish to include indirect costs in your proposed budget when applying for a grant or cooperative agreement, you must (1) Provide a copy of your current approved indirect cost rate agreement valid until at least September 30th of the current year, or (2) Provide a copy of documentation showing that you have submitted an indirect cost rate proposal to the Bureau of Indian Affairs and/or DOI for approval if you do not have a current approved indirect cost rate or if it expires after September 30th.