A prior section 1601 of act July 1, 1944, ch. 373, title XVI, as added Jan. 4, 1975, Pub. L. 93–641, § 4, 88 Stat. 2258, was classified to section 300o of this title, prior to repeal by Pub. L. 96–79, § 202(a).

1979—Subsec. (a). Pub. L. 96–79, §§ 201(b)(1), 203(a)(2), added par. (1); substituted reference to section 1602(d) for 1622(d), set out in text as “section 300q–2(d) of this title”; incorporated in par. (2) former subsec. (b) provisions made applicable for period ending Sept. 30, 1982, previously covering period beginning July 1, 1974, and ending Sept. 30, 1978, extended provisions to public entities, struck out existing condition that applications for assistance under subchapter be approved under former section 300o–3 of this title, substituted in subpar. (2)(B) provision for payment of amounts sufficient to reduce by not more than one half net effective interest otherwise payable on the loan for prior provision for amounts sufficient to reduce by 3 per centum per annum net effective interest rate on the loan, and struck out provision granting contractual right of holder of a guaranteed loan to receive from the United States such interest payments.

Subsec. (b). Pub. L. 96–79, § 201(b)(1), added subsec. (b) and incorporated existing provisions of subsec. (b) relating to loan guarantee authority for payment of principal and interest on loans for approved projects, their duration, and payments for reduction of interest rate in subsec. (a)(2) of this section.

1977—Subsecs. (a), (b)(1). Pub. L. 95–83 substituted “September 30, 1978” for “September 30, 1977”.

1976—Subsecs. (a), (b)(1). Pub. L. 94–273 substituted “September” for “June”.

Pub. L. 96–79, title II, § 204, Oct. 4, 1979, 93 Stat. 636, provided that: “The amendments made by this title [enacting sections 300s, 300s–1, and 300s–6, amending this section and sections 201, 300q–2, 300r, 300s–1a, 300s–3, and 300s–5, and repealing sections 300o to 300o–3, 300p to 300p–3, 300q–1, and 300s of this title] shall take effect October 1, 1979, except that the amendments made by section 201(b) [amending this section and section 300q–2 of this title] respecting the payment of an interest subsidy for a loan or loan guarantee made under part A of title XVI of the Public Health Service Act [42 U.S.C. 300q et seq.] shall apply only with respect to loans and loan guarantees made after October 1, 1979, and with respect to loans and loan guarantees made under such part before such date the Secretary shall continue to pay the interest subsidy authorized for such loans and loan guarantees before such date.”