34 C.F.R. § 386.41
Based upon sufficient evidence to substantiate the grounds as detailed in § 386.42, a repayment exception to or deferral of the requirements of § 386.40(a)(7) may be granted, in whole or in part, by the Secretary as follows:
(a) Repayment is not required if the scholar—
(1) Is unable to continue the course of study or perform the work obligation because of a permanent disability that meets one of the following conditions:
(b) Repayment of a scholarship may be deferred during the time the scholar is—
(c) Under limited circumstances as determined by the Secretary and based upon credible evidence submitted on behalf of the scholar, the Secretary may grant an exception to, or deferral of, the requirement to repay a scholarship in instances not specified in this section. These instances could include, but are not limited to, the care of a disabled spouse, partner, or child or the need to accompany a spouse or partner on active duty in the Armed Forces.
(Authority: Sections 12(c) and 302(b) of the Rehabilitation Act of 1973, as amended; 29 U.S.C. 709(c) and 772(b))