The Act of Aug. 20, 1912, referred to in subsec. (d), is act Aug. 20, 1912, ch. 308, 37 Stat. 315, as amended, which was classified generally to chapter 8 (§ 151 et seq.) of Title 7, Agriculture, prior to repeal by Pub. L. 106–224, title IV, § 438(a)(1), June 20, 2000, 114 Stat. 454. Sections 6 and 8 of the Act were classified to sections 152 and 161, respectively, of Title 7. For complete classification of this Act to the Code, see Tables.

Section 4 of Pub. L. 100–574 provided that:

“(a) In General.—This Act and the amendments made by this Act [enacting this section and sections 1716B and 1716C of Title 18, Crimes and Criminal Procedure] shall become effective on the earlier of—

“(1) the 366th day after the date of the enactment of this Act [Oct. 31, 1988]; or

“(2) the first date as of which all rules and regulations required to be prescribed under the amendments made by this Act have first been published in the Federal Register. [For publication of regulations, see 54 F.R. 49978, Dec. 4, 1989.]

“(b) Regulations.—Nothing in this section shall prevent the United States Postal Service from taking any action which may be necessary to prepare and issue, as soon as possible after the date of the enactment of this Act, any rules and regulations which the Postal Service is required to prescribe under any of the amendments made by this Act.”