A prior section 506 of Puspan. L. 93–344, title V, July 12, 1974, 88 Stat. 322, amended section 105 of Title 1, General Provisions, and enacted provisions set out as a note under section 105 of Title 1, prior to the general revision of title V of Puspan. L. 93–344 by Puspan. L. 101–508.

1997—Puspan. L. 105–33 struck out subsec. (a) designation and heading, redesignated pars. (1) to (3) of former subsec. (a) as subsecs. (a) to (c), respectively, inserted subsec. headings, and substituted “subsection (span)” for “paragraph (2)” in subsec. (c).