; and (B) second, as income on the contract which is includible in gross income. 102. Terms and conditions of Qualified ISAs (a) Terms and conditions Each Qualified ISA shall comply with the following: (1) Specified percentage of income (A) In general The Qualified ISA specifies the percentage of future income required to be paid. (B) Maximum percentage The maximum percentage of income an individual would be required to pay under the Qualified ISA shall not exceed 20 percent, and the product of such percentage and the number of monthly payments required under the Qualified ISA divided by 12 shall not exceed 2.25 (which figure is the product of 7.5 percent and the number of years in the longest allowable contract under paragraph (4)(A)). (2) Definition of income The Qualified ISA specifies the definition of income to be used for purposes of calculating an individual’s obligation to pay under the Qualified ISA, which— (A) shall not in any case include the income of the individual’s children; (B) shall not include— (i) any amount paid to the individual under title II or XVI of the Social Security Act ( 42 U.S.C. 401 et seq., 1381 et seq.) or under a State program funded title IV under of such Act ( 42 U.S.C. 601 et seq.); or (ii) any amount received by the individual under the Child Nutrition Act of 1966 ( 42 U.S.C. 1771 et seq.); (C) shall include revenue sources primarily incurred from an individual's employment