The officers and employees of the Institute, except the director, shall be appointed by the Secretary of Commerce at such time as their respective services may become necessary.

(Mar. 3, 1901, ch. 872, § 6, 31 Stat. 1450; Feb. 14, 1903, ch. 552, § 10, 32 Stat. 829; Mar. 4, 1913, ch. 141, § 1, 37 Stat. 736; Pub. L. 100–418, title V, § 5115(a)(1), Aug. 23, 1988, 102 Stat. 1433.)