Cal. Welf. & Inst. Code § 15001

Any warrant issued in payment of aid under this division is subject to the provisions of Section 29802 of the Government Code. Each such warrant shall bear on its face a statement that the warrant shall be void if not presented to the county treasurer for payment within six months after the date of issuance thereof. The provision for a substitute warrant shall also apply to the assignee of a warrant, or the legal representative or heir of a deceased recipient, in accordance with the provisions of Section 12158 of this code. (Amended by Stats. 1970, Ch. 1041.)