There are authorized to be appropriated to carry out the purposes of this chapter, not to exceed $6,250,000 for the fiscal year ending June 30, 1976, and the subsequent transition period ending September 30, 1976; not to exceed $5,000,000 for the fiscal year ending September 30, 1977; and not to exceed $5,000,000 for the fiscal year ending September 30, 1978. Funds appropriated for any fiscal year shall remain available for obligation until expended.