; and (2) in paragraph (5)— (A) by striking has not attained the age of 20 years and inserting is the age of 18 years or younger ; and (B) by striking 25 years and inserting 24 years or younger . 5. Effective date The amendments and repeals made by this Act shall take effect on the first day of the third month that begins after the date of the enactment of this Act.