A single annual expiration date of September 1 is hereby established for all licenses hereafter issued to any person engaged in the work of tapping or constructing connections with any public sewer or drain or their laterals, or any sewer or drain located in any public street, alley, easement or any other public property of the City. The duration of such licenses shall be one year. (Ord. 74-88. Passed 9-3-74.)