38 CFR § 21.22 - Nonduplication - Federal programs.
(a) Allowances. A service-disabled veteran who is eligible for benefits under Chapter 31, may not receive a subsistence allowance or elect payment of an allowance at the educational assistance rate under Chapter 30 pursuant to § 21.264 if the veteran:
(1) 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) Services which may be authorized. A service-disabled veteran who is in one of the two categories defined in paragraph (a) of this section is entitled to receive all benefits, other than an allowance, to which he or she is otherwise entitled under Chapter 31, including:
(1) Payment of any tuition and fees not paid for by the Armed Forces.
(2) The cost of special services, such as reader services, tutorial assistance, and special equipment during the period of such training.