The original copies of this chapter and Zoning Map shall be kept at all times in the office of the Town Clerk. Similar certified copies of this chapter, with map attached, shall be placed on file with the County Clerk at Lockport, New York. Whenever this chapter is amended as prescribed herein, certified copies of the amendments, as adopted, shall be filed in the office of the Town Clerk and also in the office of the County Clerk at Lockport, New York.