10 U.S.C. § 1412: Administrative provisions

(a) Rounding.—Amounts computed under this chapter, if not a multiple of $1, shall be rounded to the next lower multiple of $1. (b) Payment Date.—Amounts of retired pay and retainer pay due a retired member of the uniformed services shall be paid on the first day of each month beginning after the month in which the right to such pay accrues.