The certificate of the Postmaster General or the Government Accountability Office of the mailing to a postmaster of a statement of his account and that payment of the balance stated has not been received shall be sufficient evidence of a demand notwithstanding any allowances or credits subsequently made. A copy of such statement shall be attached to the certificate.
(June 25, 1948, ch. 646, 62 Stat. 948; Pub. L. 108–271, § 8(b), July 7, 2004, 118 Stat. 814.)