; and (2) pursuant to such employment, has provided care or instruction to children enrolled in such program. (b) Loan cancellation amount After the conclusion of the 3-year period described in subsection (a), the Secretary shall cancel the obligation to repay the balance of principal, interest, and fees due as of the time of such cancellation, on the eligible Federal Direct Loans made to the borrower under this part. (c) Ineligibility for double benefits No borrower may, for the same service, receive a reduction of loan obligations under both this section and section 428J, 455(m), or 460. (d) Application The Secretary shall develop and make publicly available an application for borrowers who wish to receive loan forgiveness under this section, which shall— (1) be made readily available for qualifying childcare workers to file for loan forgiveness