OPERATION AND MAINTENANCE OF AVIATION SYSTEM.

SEC. 9107. OPERATION AND MAINTENANCE OF AVIATION SYSTEM. (a) Elimination of Penalty.—Section 506(c)(3)(B)(i) of the Airport and Airway Improvement Act of 1982 (49 U.S.C. App. 2205(c)(3)(B)(i)) is amended— (1) by inserting “and” after “1989”; and (2) by striking “$3,770,000,000” and all that follows through “1992 ”. (b) Funding.—Section 506(c) of such Act (49 U.S.C. App. 2205(c)) is amended by adding at the end the following new paragraph: “(4) Fiscal years 1991–1992.—The amount appropriated from the Trust Fund for the purposes of clauses (A) and (B) of paragraph (1) of this subsection for each of fiscal years 1991 and 1992 may not exceed— “(A) 75 percent of the amount of funds made available under section 505, subsections (a) and (b) of this section, and section 106(k) of title 49, United States Code, for such fiscal year; less “(B) the amount of funds made available under section 505 and subsections (a) and (b) of this section for such fiscal year.”.