1990—Subsec. (a)(3). Pub. L. 101–397, § 1(i), struck out par. (3) which read as follows: “In cases where the Secretary determines, in accordance with criteria established by him, that research under this section is of a basic nature which would not otherwise be undertaken, the Secretary may approve grants under this section with a matching requirement other than that specified in paragraph (1) of this subsection.”

Subsec. (c). Pub. L. 101–397, § 1(j), substituted “$10,000,000” for “$20,000,000” and “1995” for “1989”.