Cal. Gov. Code § 21266

Upon receipt of proof, satisfactory to the board, that a warrant drawn in payment of a retirement allowance or in payment of any other account due from the retirement system has been lost, the Controller upon the request of the board shall issue a duplicate warrant in payment of the same amount, without requiring a bond from the payee, and any loss incurred in connection therewith shall be charged against the account from which the payment was derived.