42 U.S. Code § 11361a - Preventing involuntary family separation
After the expiration of the 2-year period that begins upon May 20, 2009, and except as provided in subsection (b), any project sponsor receiving funds under this subchapter to provide emergency shelter, transitional housing, or permanent housing to families with children under age 18 shall not deny admission to any family based on the age of any child under age 18.
Section 1103 of Pub. L. 111–22, which directed amendment of subtitle A of the McKinney-Vento Homeless Assistance Act by adding this section after section 403 (as so redesignated by section 1101(2) of Pub. L. 111–22), was executed by adding this section following section 403 (42 U.S.C. 11361) of subtitle A of title IV of Pub. L. 100–77 (this part), to reflect the probable intent of Congress.
Section effective on the earlier of 18 months after May 20, 2009, or 3 months after publication of certain final regulations by Secretary of Housing and Urban Development, see section 1503 of Pub. L. 111–22, set out as an Effective Date of 2009 Amendment note under section 11302 of this title.