The Board is authorized to incur such expenses as the Secretary may find are reasonable and likely to be incurred by it during each crop year, for the maintenance and functioning of the Board, including the accumulation and maintenance of an operating reserve fund, and for such purposes as the Secretary may, pursuant to the provisions of this subpart, determine to be appropriate. The recommendation of the Board as to the expenses for each such year, together with all data supporting such recommendation, shall be submitted to the Secretary on or before August 1 of the crop year in connection with which such recommendation is made.