42 CFR §62.75

1. (a)With respect to obligations under the Scholarship Program, a credit will be allowed for partial service under the Special Repayment Program and will result in a reduction of the Program participant's financial obligation in accordance with the following formula:
2. (b)With respect to obligations under the PH/NHSC Scholarship Training Program, if a Program participant fails to complete the period of obligated service under the Program (including any additional months of service incurred pursuant to section 204(c)(1) of Pub. L. 100-177), no credit for partial service under this Program will be allowed.
3. (c)Where participants have obligations under both the Scholarship Program and the PH/NHSC Scholarship Training Program, credit for service will be applied against the scholarship obligations in the order in which they were incurred.