California Code, Government Code - GOV § 29744

If the claimant is unwilling to receive the amount tendered in full payment, he shall return the warrant to the auditor within 30 days after the tender together with his written refusal to accept the amount in full payment of the claim.  The auditor shall immediately transmit the claim to the board, together with a statement of his action, his reasons therefor, and claimant's refusal.  The board shall consider and take action upon the claim within 10 days after its receipt.  It shall allow such an amount in payment thereof as is a proper county charge, not to exceed the amount claimed, and may require the claimant to accept the amount allowed in settlement of the entire claim.  Sections 29703 and 29704 of the Government Code shall be applicable thereto.