The expeditious-return (§§229.30(a) and 229.31(a)), notice-of-nonpayment (§229.33), and same-day settlement (§229.36(f)) requirements of this subpart do not apply to a check drawn upon the United States Treasury, to a U.S. Postal Service money order, or to a check drawn on a state or a unit of general local government that is not payable through or at a bank.