The Department of Motor Vehicles shall have the uniform parking violations ticket printed. The department may authorize a law enforcement agency to automate the issuance of uniform parking violations tickets. Law enforcement and security agencies shall order tickets from the department and shall record the identifying numbers of the tickets received by them. The cost of the tickets must be paid by the law enforcement or security agency. The audit copy and the department’s record copy must be forwarded to the department within thirty days of the disposition of the case by final trial court action. The head of each law enforcement agency is responsible for forwarding the audit copies and for conducting an annual inventory on December thirty-first of all tickets received but not yet disposed of by final trial court action and forwarding the results of the inventory on a form prescribed by the department to the department within ten days of the completion of the inventory.