From AR 600-8-24 (definitions)
Recoupment
Officers who participate in certain advanced education programs sometimes fail to complete their educational require- ments, or AD or RC obligations. These officers are subject to the recoupment provisions of AR 37–104–3. Recoupment must be accomplished prior to the separation of an officer who has not fulfilled the service obligation incurred as a result of participation in that advanced education program (10 USC 2123 and 10 USC 2005).
1–16. Recoupment
Individuals who participate in certain advanced education programs and fail to complete their educational requirements or military service obligations (MSOs) (Active Army and/or RC) are subject to the recoupment provisions of AR 37–104–4, chapter 31. This must be accomplished prior to separation of an individual who has not fulfilled the ADSO incurred as a result of participation in that advanced education program, in accordance with applicable law and regulations.
From AR 37-104-3
Recoupment of Advanced Civilian Education Expenses
31–1. Applicable education programs
Recoupment will apply to the following education programs: a. Advanced Civil Schooling Program (ACSP).
b. Chaplain Advanced Education Program (CAEP).
c. Health Professions Scholarship Program (HPSP).
d. Judge Advocate Advanced Education Program (JAAEP).
e. Long-term Civilian Training (LTCT) Program.
f. Senior Reserve Officers’ Training Corps (SROTC).
g. Uniform Services University of the Health Sciences (USUHS). h. United States Military Academy (USMA).