Section 515 of the Tariff Act of 1930, referred to in subsec. (a), is classified to section 1515 of Title 19, Customs Duties.

Section 516 of the Tariff Act of 1930, referred to in subsec. (b), is classified to section 1516 of Title 19.

A prior section 2637, acts June 25, 1948, ch. 646, 62 Stat. 982; June 2, 1970, Pub. L. 91–271, title I, § 118, 84 Stat. 280; July 26, 1979, Pub. L. 96–39, title X, § 1001(b)(4)(E), 93 Stat. 306, related to witnesses and inspection of documents, prior to the general revision of this chapter by Pub. L. 96–417. See section 2641 of this title.

Subsec. (c) of this section applicable with respect to civil actions commenced on or after Nov. 1, 1980, see section 701(b)(1)(B) of Pub. L. 96–417, set out as an Effective Date of 1980 Amendment note under section 251 of this title.