Cal. Elec. Code § 7777

Notwithstanding any other provision of this code, up to three candidates for member of central committees in a single central committee election district may have their names listed on a single sponsor’s certificate, and the signatures thereon shall be counted toward the sponsor requirement of each and every candidate whose name is listed on the certificate. However, in no case shall the number of candidates having their names on a sponsor’s certificate exceed the number of members of central committees to be elected in the district.