38 CFR § 21.340 - Introduction.
(a) General. VA may approve leaves of absence under certain conditions. During approved leaves of absence, a veteran in receipt of subsistence allowance shall be considered to be pursuing a rehabilitation program. Leave may be authorized for a veteran during a period of:
(1) Rehabilitation to the point of employability;
(2) Extended evaluation; or
(3) Independent living services.
(b) Election of subsistence allowance. If a veteran elects to receive subsistence allowance and payment of rehabilitation services by VA, he or she may be authorized leave of absence under §§ 21.342 through 21.350.