was capitalized) during a forbearance or deferment period or any similar period, on the portion of the loan that was being repaid in accordance with clause (i). (4) Selection of different repayment plan A borrower who no longer wishes to repay under the plan under this section may change to a standard repayment plan in accordance with section 455(d)(3). (c) Eligibility determinations The Secretary shall establish procedures for annually determining the borrower's eligibility for income-based repayment, including verification of a borrower's annual income and the annual amount due on the total amount of covered Federal Direct Loans, and such other procedures as are necessary to effectively implement income-based repayment under this section. The Secretary shall consider, but is not limited to, the procedures established in accordance with section 455(e)(1) or section 493C, or in connection with income sensitive repayment schedules under section 428(b)(9)(A)(iii) or 428C(b)(1)(E). (d) Special rule for married borrowers filing separately In the case of a married borrower who files a separate Federal income tax return, the Secretary shall calculate the amount of the borrower's income-based repayment under this section solely on the basis of the borrower's student loan debt and adjusted gross income. .