13-18-13 Call of registered warrants for payment--Cessation of interest. 13-18-14 Cancellation of check or warrant not presented for payment--Notation in register. 13-18-15 Payment of check or warrant despite cancellation provisions. 13-18-16 Petty cash account--Maximum amount. 13-18-17 Incidental account. 13-18-18 Health insurance flexible spending accounts.