Section 2698, Pub. L. 88–164, title V, § 501 , as added Pub. L. 90–170, § 7 , Dec. 4, 1967 , 81 Stat. 530 , related to appropriations and grants for training of personnel. Section 2698a, Pub. L. 88–164, title V, § 502 , as added Pub. L. 90–170, § 7 , Dec. 4, 1967 , 81 Stat. 530 , related to grants for research and demonstration projects, payment thereof, and evaluation of such projects. Section 2698b, Pub. L. 88–164, title V, § 503 , as added Pub. L. 90–170, § 7 , Dec. 4, 1967 , 81 Stat. 531 , related to appointment of an advisory committee and compensation of its members and appointees. Statutory Notes and Related Subsidiaries Effective Date of Repeal Pub. L. 91–230, title VI, § 662 , Apr. 13, 1970 , 84 Stat. 188 , provided that the repeal by that section is effective July 1, 1971 .