38 C.F.R. § 13.250
(d) Estate matters. Upon the death of a beneficiary who has a valid will or heirs, the fiduciary must hold the remaining funds under management in trust for the deceased beneficiary's estate until the will is probated or heirs are ascertained, and disburse the funds according to applicable state law.
(Authority: U.S.C. 501, 5502)