; and (3) by striking subsections (c) and (d) and inserting the following: (c) Effective date (1) Armed forces With respect to an individual described in subsection (a)(1), this section shall take effect at each public institution of higher education in a State that receives assistance under this Act for the first period of enrollment at such institution that begins after July 1, 2009. (2) Homeless children or youths and foster care children or youth With respect to an individual described in subsection (a)(2), this section shall take effect at each public institution of higher education in a State that receives assistance under this Act for the first period of enrollment at such institution that begins during the first full award year following the date of enactment of the Higher Education Access and Success for Homeless and Foster Youth Act . (d) Definitions In this section: (1) Armed forces The terms armed forces and active duty for a period of more than 30 days have the meanings given those terms in section 101 of title 10, United States Code. (2) Homeless children and youths The term homeless children and youths has the meaning given the term in section 725 of the McKinney-Vento Homeless Assistance Act ( 42 U.S.C. 11434a ). .