Section was formerly classified to section 441g of Title 2, The Congress, prior to editorial reclassification and renumbering as this section.

A prior section 321 of Pub. L. 92–225 was renumbered section 316, and is classified to section 30118 of this title.

Another prior section 321 of Pub. L. 92–225 was renumbered section 320, and was classified to section 441 of Title 2, The Congress, prior to repeal by Pub. L. 94–283.