The date of enactment of this section and the date of enactment of the Postal Accountability and Enhancement Act, referred to in subsecs. (a), (d)(2)(A), (3), and (f), are the date of enactment of Pub. L. 109–435, which was approved Dec. 20, 2006.

A prior section 3622, Pub. L. 91–375, Aug. 12, 1970, 84 Stat. 760; Pub. L. 94–421, § 10, Sept. 24, 1976, 90 Stat. 1311; Pub. L. 105–241, § 5, Sept. 28, 1998, 112 Stat. 1573; Pub. L. 106–384, § 1(a), Oct. 27, 2000, 114 Stat. 1460, related to rates and fees, prior to repeal by Pub. L. 109–435, title II, § 201(a), Dec. 20, 2006, 120 Stat. 3200.