((a)) ** Limitation; Federal and non-Federal contributions; projects or activities eligible for assistance** A grant under shall not exceed (1) 20 per centum of the cost of the project for which the grant is made; nor (2) the Federal grant made with respect to the project under the legislation referred to in paragraph (2) of . In no case shall the total Federal contributions to the cost of such project be more than 80 per centum. Notwithstanding any other provision of law, including requirements with respect to non-Federal contributions, grants under shall be eligible for inclusion (directly or through refunds or credits) as part of the financing for such projects: , That projects or activities on the basis of which assistance is provided under shall not be eligible for assistance under .section 3335 of this titlesection 3338 of this titlesection 3335 of this titlesection 3305(c) of this titlesection 3335 of this titleProvided
((b)) ** Authorization of appropriations; availability of funds for expenditures** There are authorized to be appropriated for grants under not to exceed $25,000,000 for the fiscal year ending , and not to exceed $50,000,000 for the fiscal year ending . Any amounts appropriated under this section shall remain available until expended, and any amounts authorized for any fiscal year under this section but not appropriated may be appropriated for any succeeding fiscal year commencing prior to .section 3335 of this titleJune 30, 19671967-06-30June 30, 19681968-06-30July 1, 19701970-07-01