The provisions of this bylaw shall be interpreted to be the minimum requirements adopted for the promotion of the health, safety, morals and the general welfare of the Town of Harwich, Massachusetts, and, except for the Zoning Bylaw approved by the Attorney General on June 6, 1951, and all subsequent amendments thereto, the provisions of this bylaw are not intended to repeal, amend, abrogate, annul, or in any way impair or interfere with any lawfully adopted bylaw, covenants, regulations or rules. Whenever the regulations made under the authority hereof differ from those prescribed by statute, bylaw or other regulation, that provision which imposes the greater restrictions or the higher standard shall govern.