34 C.F.R. § 681.8
(a) The borrower's rights.
(b) The borrower's responsibilities.
(3) The borrower must immediately notify the lender or holder in writing in the event of:
(6) If the borrower fails to make payments on the loan on time, the total amount to be repaid by the borrower may be increased by additional interest, late charges, attorney's fees, court costs, and other collection charges. In addition, the Secretary may offset amounts attributable to an unpaid loan from reimbursements or payment for health services provided under any Federal law to a defaulted borrower practicing his or her profession.
(Approved by the Office of Management and Budget under control number 1845-0125)