§ 291l.
Whenever in his opinion the purposes of this subchapter would be promoted by a conference, the Surgeon General may invite representatives of as many State agencies, designated in accordance with section 291d of this title
([July 1, 1944, ch. 373], title VI, § 642, formerly § 622, as added [Pub. L. 88–443, § 3(a)], Aug. 18, 1964, [78 Stat. 458], and renumbered § 642, [Pub. L. 91–296, title II, § 201], June 30, 1970, [84 Stat. 344].)