The Secretary may make annual contributions to public housing agencies to assist in achieving and maintaining the lower income character of their projects. The Secretary shall embody the provisions for such annual contributions in a contract guaranteeing their payment. The contribution payable annually under this section shall in no case exceed a sum equal to the annual amount of principal and interest payable on obligations issued by the public housing agency to finance the development or acquisition cost of the lower income project involved. Annual contributions payable under this section shall be pledged, if the Secretary so requires, as security for obligations issued by a public housing agency to assist the development or acquisition of the project to which annual contributions relate and shall be paid over a period not to exceed 40 years.

The Secretary may make contributions (in the form of grants) to public housing agencies to cover the development cost of public housing projects. The contract under which such contributions shall be made shall specify the amount of capital contributions required for each project to which the contract pertains, and that the terms and conditions of such contract shall remain in effect for a 40-year period.

The amount of contributions that would be established for a newly constructed project by a public housing agency designed to accommodate a number of families of a given size and kind may be established under this section for a project by such public housing agency that would provide housing for the comparable number, sizes, and kinds of families through the acquisition and rehabilitation, or use under lease, of structures that are suitable for low-income housing use and obtained in the local market.

The Secretary may enter into contracts for annual contributions aggregating not more than $7,875,049,000 per annum, which amount shall be increased by $1,494,400,000 on October 1, 1980, and by $906,985,000 on October 1, 1981. The additional authority to enter into such contracts provided on or after October 1, 1980, shall be effective only in such amounts as may be approved in appropriation Acts. In addition, the aggregate amount which may be obligated over the duration of the contracts may not exceed $31,200,000,000 with respect to the additional authority provided on October 1, 1980, and $18,087,370,000 with respect to the additional authority provided on October 1, 1981.

The Secretary shall enter into only such new contracts for preliminary loans as are consistent with the number of dwelling units for which contracts for annual contributions may be entered into.

The full faith and credit of the United States is solemnly pledged to the payment of all annual contributions contracted for pursuant to this section, and there are hereby authorized to be appropriated in each fiscal year, out of any money in the Treasury not otherwise appropriated, the amounts necessary to provide for such payments.

All payments of annual contributions pursuant to this section shall be made out of any funds available for purposes of this chapter when such payments are due, except that funds obtained through the issuance of obligations pursuant to section 1437b(b) of this title (including repayments or other realizations of the principal of loans made out of such funds) shall not be available for the payment of such annual contributions.

During such period as the Secretary may prescribe for starting construction, the Secretary may approve the conversion of public housing development authority for use under section 1437g of this title or for use for the acquisition and rehabilitation of property to be used in public housing, if the public housing agency, after consultation with the unit of local government, certifies that such assistance would be more effectively used for such purpose, and if the total number of units assisted will not be less than 90 per centum of the units covered by the original reservation.

The aggregate amount of budget authority which may be obligated for contracts for annual contributions and for grants under section 1437o of this title is increased by $9,912,928,000 on October 1, 1983, and by such sums as may be approved in appropriation Acts on October 1, 1984. The aggregate amount of budget authority that may be obligated for contracts for annual contributions for assistance under section 1437f of this title, for contracts referred to in paragraphs (7)(A)(iv) and (7)(B)(iv), for grants for public housing, for comprehensive improvement assistance, and for amendments to existing contracts, is increased (to the extent approved in appropriation Acts) by $7,167,000,000 on October 1, 1987, and by $7,300,945,000 on October 1, 1988. The aggregate amount of budget authority that may be obligated for assistance referred to in paragraph (7) is increased (to the extent approved in appropriation Acts) by $16,194,000,000 on October 1, 1990, and by $14,709,400,000 on October 1, 1991. The aggregate amount of budget authority that may be obligated for assistance referred to in paragraph (7) is increased (to the extent approved in appropriation Acts) by $14,710,990,520 on October 1, 1992, and by $15,328,852,122 on October 1993.

Any amount available for Indian housing under subsection (a) that is recaptured shall be used only for such housing.

the Secretary shall not make any contract with a public housing agency for preliminary loans (all of which shall be repaid out of any moneys which become available to such agency for the development of the projects involved) for surveys and planning in respect to any low-income housing projects (i) unless the governing body of the locality involved has by resolution approved the application of the public housing agency for such preliminary loan; and (ii) unless the public housing agency has demonstrated to the satisfaction of the Secretary that there is need for such low-income housing which is not being met by private enterprise; and

the Secretary shall not make any contract for loans (other than preliminary loans) or for contributions pursuant to this chapter unless the governing body of the locality involved has entered into an agreement with the public housing agency providing for the local cooperation required by the Secretary pursuant to this chapter; the Secretary shall require that each such agreement shall provide that, notwithstanding any order, judgment, or decree of any court (including any settlement order), before making any amounts that are provided pursuant to any contract for contributions under this subchapter available for use for the development of any housing or other property not previously used as public housing, the public housing agency shall (A) notify the chief executive officer (or other appropriate official) of the unit of general local government in which the public housing for which such amounts are to be so used is located (or to be located) of such use, and (B) pursuant to the request of such unit of general local government, provide such information as may reasonably be requested by such unit of general local government regarding the public housing to be so assisted (except to the extent otherwise prohibited by law).