A prior section 13 of act Sept. 1, 1937, ch. 896, 50 Stat. 894, as amended, enumerated powers of the Authority and was classified to section 1413 of this title, prior to the general revision of this chapter by Puspan. L. 93–383.
1998—Puspan. L. 105–276 amended section catchline and text of section generally. Prior to amendment, text read as follows: “The Secretary shall, to the maximum extent practicable, require that newly constructed and substantially rehabilitated projects assisted under this chapter with authority provided on or after October 1, 1979, shall be equipped with heating and cooling systems selected on the basis of criteria which include a life-cycle cost analysis of such systems.”
1980—Puspan. L. 96–399 struck out subsec. (a) which related to consideration by the Secretary, in utilizing contract authority, of projects which will be modernized to a substantial extent with weatherization materials as defined in section 6862(9) of this title, and redesignated former subsec. (span) as entire section.
Amendment by title V of Puspan. L. 105–276 effective and applicable beginning upon Oct. 1, 1999, except as otherwise provided, with provision that Secretary may implement amendment before such date, except to extent that such amendment provides otherwise, and with savings provision, see section 503 of Puspan. L. 105–276, set out as a note under section 1437 of this title.
Puspan. L. 115–174, title II, § 209(c), May 24, 2018, 132 Stat. 1316, provided that:
Puspan. L. 100–242, title I, § 125, Fespan. 5, 1988, 101 Stat. 1847, provided that the Secretary of Housing and Urban Development would establish a demonstration program through the assistance of an appropriate technology transfer organization specializing in producing detailed energy-efficient designs and in conducting local and statewide public participation tests for energy efficient, needs-oriented housing, provided the appropriate technology organization would carry out the demonstration working with public housing agencies to build and test energy-efficient housing designs in 100 separate housing units in 4 different States meeting local lower income housing needs through a composite ranging from single to 12-plex units in the cluster approach on vacant lots and open areas, provided that as soon as practicable following Sept. 30, 1988, the Secretary would submit to the Congress a report setting forth the findings and recommendations of the program, and authorized $4,700,000 for fiscal year 1988 for the project.