On or before the tenth day of each month the clerk of every county and every municipality, and every designated agent of the division, shall send the fees collected for all licenses issued during the preceding month, except the issuance fees, which may be retained by them and every license blank and button or tag that has been spoiled during the preceding month, to the division, together with a list showing the serial number of each license issued and paid for, and the number of spoiled license blanks returned. The issuance fees may be retained by the clerks of every county and of every municipality, but in the case of the agents designated by the division to issue licenses the retention of the issuance fees shall be at the discretion of the division.
N.J.S. § 23:3-9