39 U.S.C. § 203

Postmaster General; Deputy Postmaster General

The chief executive officer of the Postal Service is the Postmaster General appointed under section 202(c) of this title . The alternate chief executive officer of the Postal Service is the Deputy Postmaster General appointed under section 202(d) of this title .

( Pub. L. 91–375 , Aug. 12, 1970 , 84 Stat. 721 .)