A prior subchapter I of this chapter consisted of sections 3601 to 3604, prior to amendment by Pub. L. 109–435, title VI, § 601(a)(2), (3), Dec. 20, 2006, 120 Stat. 3238, 3239, which struck out the subchapter heading “POSTAL RATE COMMISSION” and sections 3601 and 3602 and renumbered sections 3603 and 3604 as sections 503 and 504 of this title, respectively, and transferred those sections to chapter 5 of this title.

Section 3601, Pub. L. 91–375, Aug. 12, 1970, 84 Stat. 759; Pub. L. 94–421, § 3(a), Sept. 24, 1976, 90 Stat. 1304; Pub. L. 103–123, title VII, § 708(c), Oct. 28, 1993, 107 Stat. 1273, related to establishment of the Postal Rate Commission.

Section 3602, Pub. L. 91–375, Aug. 12, 1970, 84 Stat. 759, related to terms of office of the Commissioners of the Postal Rate Commission.

2006—Pub. L. 109–435, title II, § 201(c), Dec. 20, 2006, 120 Stat. 3205, redesignated subchapter II of this chapter as this subchapter and substituted “PROVISIONS RELATING TO MARKET-DOMINANT PRODUCTS” for “PERMANENT RATES AND CLASSES OF MAIL” in subchapter heading.