38 C.F.R. § 21.270
(a) Payment during leave. VA will pay an eligible veteran a subsistence allowance during any period of approved leave including a veteran:
(3) Hospitalized at a VA medical center while on approved leave. If the veteran becomes eligible for payment of disability compensation at the temporary 100 percent rate, under § 3.401(h) of this title due to hospitalization, payment will be made under provisions of § 21.266(a).
(Authority: 38 U.S.C. 3110)
(b) Payment for other periods. Subsistence allowance will be paid for:
(2) Periods in which the school is closed temporarily under emergency conditions described in § 21.4138(f).
(Authority: 38 U.S.C. 3680(a))
[49 FR 40814, Oct. 18, 1984, as amended at 76 FR 45705, Aug. 1, 2011]