SEC-321 -- LIMITATION ON FHA INSURANCE AUTHORITY. Section 531(b) of the National Housing Act (12 U.S.C. 1735f-9(b)) is amended to read as follows: "(b) Notwithstanding any other provision of law and subject only to the absence of qualified requests for insurance, to the authority provided in this Act, and to the limitation in subsection (a), the Secretary shall enter into commitments to insure mortgages under this Act with an aggregate principal amount of $76,791,000,000 during fiscal year 1991 and $79,818,000,000 during fiscal year 1992.".