made by this section shall apply with respect to benefits payable for months beginning after the date that is 6 months after the date of the enactment of this Act. 3. Application of higher SGA amount for Purple Heart recipients (a) In general Section 223(d)(4)(A) of the Social Security Act ( 42 U.S.C. 423(d)(4)(A) ) is amended by inserting after who is blind the following: or who is entitled to a monthly insurance benefit under subsection (a)(1) based on a disability that is attributable to an injury for which the individual was awarded the Purple Heart . (b) Effective date The amendments made by subsection (a) shall apply with respect to benefits payable for months beginning after the date that is 6 months after the date of the enactment of this Act.