Rendition of claims.

As soon as practicable after the end of each month, or sooner if deemed advisable, there shall be mailed to each interested person at whose request any services have been performed, a claim for payment of moneys due the United States for the services rendered or for the loan or repair of any standards. [11 FR 14665, Dec. 27, 1946, as amended at 17 FR 221, Jan. 9, 1952; 20 FR 6433, Sept. 1, 1955. Redesignated at 46 FR 47055, Sept. 24, 1981, as amended at 47 FR 3345, Jan. 25, 1982]