(b)
(1) A surviving spouses annuity ends when the spouse remarries before age 55 or dies.
(2) A dependent childs annuity ends when the child becomes 18 years of age (unless the child is then a
student as described in section
771 (1)(C) of this title), marries, or dies, whichever is earliest. However, if a child is not self-supporting because of a physical or mental disability, an annuity ends when the child recovers, marries, or dies.
(3) If a surviving spouse dies and a dependent child survives, the childs annuity is recomputed under section
774 (c)(3) of this title.
(4) When a dependent childs annuity ends, the annuity of another dependent child is recomputed as if the child whose annuity has ended did not survive a Comptroller General or retired Comptroller General.
(c) An accrued annuity unpaid when the annuity of a survivor ends
(1) for a reason except death, shall be paid to the survivor; and
(2) when a survivor dies, shall be paid in the following order of precedence:
(A) to the executor or administrator of the estate of the individual.
(B) if there is no executor or administrator, then after 30 days after the date of death, to an individual the General Counsel of the Government Accountability Office decides is legally entitled to the payment.