solely by reason of the composition of the closed class or the benefits, rights, or features provided to such closed class if the defined contribution plan and defined benefit plan otherwise meet the requirements of subparagraph (A) but for the fact that the make-whole contributions under the defined contribution plan are made in whole or in part through matching contributions. (D) Spun-off plans For purposes of this paragraph, if a portion of a defined contribution plan described in subparagraph (A) or (C) is spun off to another employer, the treatment under subparagraph (A) or (C) of the spun-off plan shall continue with respect to the other employer if such plan continues to comply with the requirements of clauses (ii) (if the original plan was still within the 3-year period described in such clause at the time of the spin off) and (iii) of subparagraph (A), as determined for purposes of subparagraph (A) or (C), whichever is applicable. (3) Definitions For purposes of this subsection— (A) Make-whole contributions Except as otherwise provided in paragraph (2)(C), the term make-whole contributions means nonelective allocations for each employee in the class which are reasonably calculated, in a consistent manner, to replace some or all of the retirement benefits which the employee would have received under the defined benefit plan and any other plan or qualified cash or deferred arrangement under subsection (k)(2) if no change had been made to such defined benefit plan and such other plan or arrangement. For purposes of the preceding sentence, consistency shall not be required with respect to employees who were subject to different benefit formulas under the defined benefit plan. (B) References to closed class of participants References to a closed class of participants and similar references to a closed class shall include arrangements under which 1 or more classes of participants are closed, except that 1 or more classes of participants closed on different dates shall not be aggregated for purposes of