of this paragraph, the term applicable minimum age means— (i) except as otherwise provided in this subparagraph, age 19, (ii) in the case of a full-time student (other than a qualified former foster youth or a qualified homeless youth), age 25, and (iii) in the case of a qualified former foster youth or a qualified homeless youth, age 18. (C) Full-time student For purposes of this paragraph, the term full-time student means, with respect to any taxable year, an individual who is an eligible student (as defined in section 25A(b)(3)) during at least 5 calendar months during the taxable year. (D) Qualified former foster youth For purposes of this paragraph, the term qualified former foster youth means an individual who— (i) on or after the date that such individual attained age 14, was in foster care provided under the supervision or administration of a State or tribal agency administering (or eligible to administer) a plan under part B or part E of the Social Security Act (without regard to whether Federal assistance was provided with respect to such child under such part E), and (ii) provides (in such manner as the Secretary may provide) consent for State and tribal agencies which administer a plan under part B or part E of the Social Security Act to disclose to the Secretary information related to the status of such individual as a qualified former foster youth. (E) Qualified homeless youth For purposes of this paragraph, the term qualified homeless youth means, with respect to any taxable year, an individual who— (i) is certified by a local educational agency or a financial aid administrator during such taxable year as being either an unaccompanied youth who is a homeless child or youth, or as unaccompanied, at risk of homelessness, and self-supporting. Terms used in the preceding sentence which are also used in section 480(d)(1) of the Higher Education Act of 1965 shall have the same meaning as when used in such section, and (ii) provides (in such manner as the Secretary may provide) consent for local