(D) Specified contribution For purposes of this paragraph, the term specified contribution means, with respect to any specified college or university at which an applicable child of a restricted contributor is enrolled during the taxable year— (i) any contribution for which a deduction is allowed under this section (or would have been allowed but for this paragraph or subsection (b)) and which is made, directly or indirectly, during the applicable period to such specified college or university or to any related organization by— (I) the restricted contributor, or (II) a partnership, corporation, trust, or other entity for the benefit of or at the direction of the restricted contributor, (ii) any contribution which is made during the applicable period to such specified college or university or to any related organization by— (I) a donor advised fund (as defined in section 4966(d)(2)) with respect to which the restricted contributor is a person described in section 4966(d)(2)(A)(iii), or (II) a private foundation with respect to which the restricted contributor is a disqualified person (as defined in section 4946(a)), and (iii) any legally binding pledge which is made during the applicable period to such specified college or university or to any related organization by a person described in clause (i) or (ii). (E) Applicable period For purposes of this subsection, the term applicable period means, with respect to any taxable year, the 6-year period ending with the last day of the taxable year. (F) Applicable child For purposes of this subsection, the term applicable child means, with respect to any restricted contributor, any individual who bears a relationship to such restricted contributor that is described in section 152(c)(2)(A). (G) Specified college or university