A.
General grading and excavating permits other than those for topsoil stripping and subsequent removal shall expire by limitation one year from the date of issuance unless extended by the Town Board.
B.
General grading and excavating permits for topsoil stripping and subsequent removal shall expire by limitation 60 days from the date of issuance unless extended by the Town Board, and, further, no such permit or permits shall be granted for more than four acres of land in any one tract until full compliance with this chapter is had under the existing permit or permits for that tract, except for the provisions of § 62-12E with regard to preparation of the ground and seeding. No permit shall be valid except between April 1 and October 1 of any year.