• § 401. General powers of the Postal Service

• § 402. Delegation of authority

• § 403. General duties

• § 404. Specific powers

• § 404a. Specific limitations

• § 405. Printing of illustrations of United States postage stamps

• § 406. Postal services at Armed Forces installations

• § 407. International postal arrangements

• § 408. International money-order exchanges

• § 409. Suits by and against the Postal Service

• § 410. Application of other laws

• § 411. Cooperation with other Government agencies

• § 412. Nondisclosure of lists of names and addresses

• § 413. Postal services at diplomatic posts

• § 414. Special postage stamps

• § 415. Prohibition on restriction or elimination of services

• § 416. Authority to issue semipostals