(a)
Payments under this chapter which would otherwise be made to an employee, Member, or annuitant (including an employee, Member, or annuitant as defined in section
8331) based on service of that individual shall be paid (in whole or in part) by the Office or the Executive Director, as the case may be, to another person if and to the extent expressly provided for in the terms of—
(1)
any court decree of divorce, annulment, or legal separation, or the terms of any court order or court-approved property settlement agreement incident to any court decree of divorce, annulment, or legal separation; or
(2)
any court order or other similar process in the nature of garnishment for the enforcement of a judgment rendered against such employee, Member, or annuitant, for physically, sexually, or emotionally abusing a child.
In the event that the Office or the Executive Director, as the case may be, is served with more than 1 decree, order, or other legal process with respect to the same moneys due or payable to any individual, such moneys shall be available to satisfy such processes on a first-come, first-served basis, with any such process being satisfied out of such moneys as remain after the satisfaction of all such processes which have been previously served.