In order to assure that private enterprise shall be afforded full opportunity to provide the defense housing needed wherever possible, in any area which the President, pursuant to the authority contained in section
1591 of this title, has declared to be a critical defense housing area—
(a)
Publication of number of units needed
first, the number of permanent dwelling units (including information as to types, rentals, and general locations) needed for defense workers and military personnel in such critical defense housing area shall be publicly announced and printed in the Federal Register by the Secretary of Housing and Urban Development;
(d)
Construction by Government as conditional
fourth, no permanent housing shall be constructed by the Federal Government under the provisions of subchapter IX of this chapter except to the extent that private builders or eligible mortgagees have not, within a period of not less than ninety days (as the Secretary of Housing and Urban Development shall specify) following public announcement of the availability of such mortgage insurance aids under title II of this Act, indicated through bona fide applications (which meet the requirements as to types, rentals, or sales prices, and general locations) for exceptions from such residential credit restrictions or for mortgage insurance or guaranty that they will provide the housing determined to be needed in such area for defense workers and military personnel and publicly announced as provided by subsection (a) of this section.