Any building that shall have been constructed or located on or after the effective date of this chapter in violation of the restrictions and regulations established thereby for the district in which such building is located, and/or in violation of any of the other pertinent terms or provisions of this chapter, shall be changed, altered, corrected and/or relocated by the person who constructed or located such building and by the owner of the land on which such building is situate so that such building and the premises of which it is a part shall thereafter conform to the restrictions and regulations established by this chapter for the district in which such building is located and to all other pertinent terms and provisions of this chapter. Such change, alteration, correction and/or relocation of the building shall be made and effected within 10 days next after the Zoning Officer shall have made and shall have served upon the person who constructed or located such building and upon the owner of the land on which such building is situate an order in writing directing that such change, alteration, correction and/or relocation of the building be made and effected within 10 days next after the making and service of such order, which order the Zoning Officer may serve or cause to be served by delivering the same or a duplicate thereof to the person to whom such order is directed or by forwarding the same or a duplicate thereof by first-class mail to the last known post office address of such person and by posting a duplicate of such order on the building or premises mentioned therein.