Section, acts July 1, 1944, ch. 373, title XIII, § 1314, as added Dec. 29, 1973, Pub. L. 93–222, § 2, 87 Stat. 932; amended Oct. 8, 1976, Pub. L. 94–460, title I, § 115, 90 Stat. 1954; Nov. 1, 1978, Pub. L. 95–559, § 13, 92 Stat. 2140, required the Comptroller General to: (a) evaluate the operations, particularly, specified aspects of the operations, of at least ten or one-half, whichever is greater, of the health maintenance organizations for which assistance was provided under sections 300e–2, 300e–3, and 300e–4 of this title, and which, by Dec. 31, 1976, were designated by the Secretary under section 300e–9(d) of this title as qualified health maintenance organizations, to Congress by June 30, 1978; (b) conduct a study of the economic effects on employers resulting from their compliance with the requirements of section 300e–9 of this title and report to Congress not later than 36 months after Dec. 29, 1973; (c) evaluate the operations of health maintenance organizations in comparison with others in distinct categories, in comparison with alternative forms of health care delivery, and their impact on the health of the public and report to Congress not later than 36 months after Dec. 29, 1973; and (d) evaluate the adequacy and effectiveness of the policies and procedures of the Secretary for the management of the grant and loan programs established by this subchapter and the adequacy of the amounts of assistance available under these programs and report to Congress not later than May 1, 1979.