38 CFR § 21.3025
Nonduplication; Federal programs
November 5, 2020
Payment of subsistence allowance and special training allowance is prohibited to an otherwise eligible person—
(a) Who is on active duty and is pursuing a course of education which is being paid for by the Armed Forces (or by the Department of Health and Human Services in the case of the Public Health Service); or
(b) For a unit course or courses which are being paid for under 5 U.S.C. chapter 41.
(Authority: 38 U.S.C. 3681(a))
[61 FR 26108, May 24, 1996]