1973—Subsec. (a). Pub. L. 93–191 incorporated existing text in provisions designated as subsec. (a).

Subsec. (b). Pub. L. 93–191 incorporated existing text in provisions designated as subsec. (b), authorized sending, as franked mail, reprints of parts of Congressional Record, and authorized the mailing of Congressional Record if the listed matter is mailable as franked mail under section 3210 of this title.

Amendment by Pub. L. 93–191 effective Dec. 18, 1973, see section 14 of Pub. L. 93–191, set out as a note under section 3210 of this title.

Section effective July 1, 1971, pursuant to Resolution No. 71–9 of the Board of Governors. See section 15(a) of Pub. L. 91–375, set out as a note preceding section 101 of this title.