(a) In general The Secretary is authorized to make— (1) planning grants to enable applicants to develop homeownership programs ; and (2) implementation grants to enable applicants to carry out homeownership programs . (b) Authority to reserve housing assistance In connection with a grant under this part, the Secretary may reserve authority to provide assistance under section 1437f of this title to the extent necessary to provide rental assistance for a nonpurchasing tenant who resides in the project on the date the Secretary approves the application for an implementation grant, for use by the tenant in another project. ( Pub. L. 101–625, title IV, § 421 , Nov. 28, 1990 , 104 Stat. 4162 ; Pub. L. 102–550, title I, § 181(a)(2)(B)(i) , Oct. 28, 1992 , 106 Stat. 3735 .) Editorial Notes References in Text This part, referred to in subsec. (b), was in the original “this subtitle”, meaning subtitle B (§§ 421–431) of title IV of Pub. L. 101–625 , Nov. 28, 1990 , 104 Stat. 4162 , which enacted this part and amended section 1709 of Title 12 , Banks and Banking. Amendments 1992—Subsec. (c). Pub. L. 102–550 struck out subsec. (c) which read as follows: “ Authorization of Appropriations .—There is authorized to be appropriated for grants under this part $51,000,000 for fiscal year 1991 and $280,000,000 for fiscal year 1992. Any amounts appropriated pursuant to this subsection shall remain available until expended.”