The Servicemember Relief Act Article 25

Two or more individuals may file a petition jointly against the identical subject matter of administrative disposition, and the petition joinders may designate one to three of them as representative(s). In case the representation is not specified, the Protection Committee may, through notice, request a designation made within a given time limit. The Protection Committee may ex officio be assigned if the representative(s) can not be designated within the limited time.The designated representative(s) shall provide the Protection Committee with documentary proof at the time for the ab intio act in a petition.After the designation or assignment of the representative(s), the representative(s) can still be substituted and the number of representatives may be changed.The designation of representative(s) and the change in numbers or representative(s) prescribed in Paragraph 1 shall not take effect unless written notice in the name of all petition joinders is sent to the Protection Committee.