the financial assistance to be repaid before the date on which the loan under section 4(a) of the Butch Lewis Act of 2017 is repaid in full. (5) The corporation may forgo repayment of the financial assistance provided under this subsection if necessary to avoid any suspension of the accrued benefits of participants. . (b) Appropriations There is appropriated to the Director of the Pension Benefit Guaranty Corporation such sums as may be necessary for each fiscal year to provide the financial assistance described in section 4261(d) of the Employee Retirement Income Security Act of 1974 ( 29 U.S.C. 1431(d) ) (as added by this section) (including necessary administrative and operating expenses relating to such assistance).