AUTHORIZATION OF APPROPRIATIONS.

SEC. 207. AUTHORIZATION OF APPROPRIATIONS. (a) Authorization.—There are authorized to be appropriated such sums as may be necessary, for each of the fiscal years 1989, 1990, and 1991, to carry out this title. Sums appropriated under this paragraph shall remain available until the expiration of the 1-year period beginning on the date the Conference is adjourned. New spending authority or authority to enter into contracts as provided in this section shall be effective only to the extent and in such amounts as are provided in advance in appropriations Acts. (b) Return of Unexpended Funds.—Any funds remaining upon the expiration of such 1-year period shall be returned to the Treasury of the United States and credited as miscellaneous receipts.