Pub. L. 101-189, div. A, tit. I, pt. G, sec. 162
AC–130U GUNSHIP PROGRAM
SEC. 162. AC–130U GUNSHIP PROGRAM No funds may be obligated after the date of the enactment of this Act for procurement of AC–130U Gunship aircraft until the Secretary of the Air Force certifies in writing to the congressional defense committees that the cost of any modification, correction of deficiencies, or retrofit that is required to address and to meet established contract specifications and performance requirements for AC–130U Gunship aircraft procured using funds appropriated for the Department of Defense for fiscal year 1988 or fiscal year 1989 will be borne by the prime contractor or an appropriate subcontractor.