838.123—Claimants' responsibilities.
Claimants are responsible for—
(a)
Filing a certified copy of court orders and all other required supporting information with OPM;
(b)
Keeping OPM advised of their current mailing addresses;
(c)
Notifying OPM of any changes in circumstances that could affect their entitlement to benefits; and
(d)
Submitting all disputes with employees or retirees to the appropriate State court for resolution.