The tax imposed shall be due and payable in monthly installments and remittance therefore shall be made on or before the close of the monthly financial records in which the tax accrued. On or before the close of the monthly financial records the water-sewer department, or its designee, shall make a calculation of the tax due and payable utilizing a process approved by the director of Financial and Management Services setting forth such information as may be required by him and showing the amount of the tax for which the water-sewer department is liable for the period, and shall transmit the same to the director of Financial and Management Services together with the remittance for the amount then due and owing. (Ord. M-206 § 2, 1954; Ord. M-4041, Amended, 01/28/2013, Sec 7-Effective 02/28/2013)