(a) The following are proper claimants:   (1) Officers and employees of OPM;   (2) Former officers and employees of OPM whose claims arose out of incidents which occurred before their separation;   (3) The authorized agent or legal representative of persons in §§180.102(a)(1) and 180.102(a)(2);   (4) Survivors of persons in §§180.102(a)(1) and 180.102(a)(2) in the following order of precedence:   (i) Spouse,   (ii) Children,   (iii) Father or mother, or both,   (iv) Brothers or sisters, or both.

(b) A claim may not be presented by or for the benefit of a subrogee, assignee, conditional vendor, or other third party.