20 CFR § 234.61
Assignment of interest by an eligible person
February 18, 2021
(a) Any person who is eligible to receive a share of a lump-sum payment may assign his or her share to another eligible applicant, provided the share is not more than $500.
(b) If an LSDP or accrued annuity is payable, the request that a share be assigned must be received at a Board office no later than two years after the death of the employee or the originally entitled person.
(Approved by the Office of Management and Budget under control number 3220-0031)