project assisted under this Act, the eligible infrastructure project is unable to generate sufficient revenues to pay the scheduled loan repayments of principal and interest on the direct loan under this Act, the Chief Executive Officer may allow the obligor to add unpaid principal and interest to the outstanding balance of the direct loan, if the result would benefit the taxpayer. (B) Interest Any payment deferred under subparagraph (A) shall— (i) continue to accrue interest, in accordance with the terms of the obligation, until fully repaid