California Code, Insurance Code - INS § 1025.5

(a) File a claim himself or herself on behalf of all claimants for return premiums.

(b) Permit any assignee of the right of the insured to a return premium by virtue of a valid assignment, as security or otherwise, made prior to an order under Section 1011 or a seizure under Section 1013, whichever is earlier in time in the particular case, to file one claim as assignee on behalf of all insureds having assigned rights to the assignee, which shall set forth such information as may be required under Section 1023.

(c) Permit the California Insurance Guarantee Association under subdivision (b) of Section 1063.4, or the California Life and Health Insurance Guarantee Association under paragraph (1) of subdivision (k) of Section 1067.07 to file one claim, for its association, combining all assigned claims and setting forth the information that the commissioner may require under Section 1023.