Pub. L. 91–37584 Stat. 761Pub. L. 94–421, § 890 Stat. 1310Section 3623, , , ; , , , related to mail classification.
Pub. L. 91–37584 Stat. 761Pub. L. 94–421, § 5(a)90 Stat. 1306Section 3624, , , ; , , , related to recommended decisions of the Postal Rate Commission.
Pub. L. 91–37584 Stat. 762Pub. L. 103–123, title VII, § 708(d)107 Stat. 1273Section 3625, , , ; , , , related to action of the Board of Governors of the Postal Service.