California Code, Vehicle Code - VEH § 40204

(a) If the parking penalty is received by the person authorized to receive the deposit of the parking penalty and there is no contest as to that parking violation, the proceedings under this article shall terminate.

(b) The issuing agency may, consistent with the written guidelines established by the agency, allow payment of the parking penalty in installments if the violator provides evidence satisfactory to the issuing agency of an inability to pay the parking penalty in full.