No permit shall be issued by the Building Commissioner unless the application for a permit indicates compliance with this bylaw and any other applicable Town bylaws and regulations, the State Sanitary Code and the Board of Health regulations, the Planning Board's subdivision control regulations, and the Wetlands Protection Act, if applicable.

No permit or license shall be granted for a new use of a building, structure or land which use would be in violation of this bylaw.

Special permits or building permits issued on the basis of plans and applications approved by the Select Board, Board of Health, Planning Board or the Board of Appeals authorize only the use, arrangement and construction as set forth in such approved plans and applications. Use, arrangement or construction at variance with that authorized shall be deemed a violation of this bylaw and punishable as provided herein.

Construction or operation under a building or special permit shall conform to any subsequent amendment of this bylaw unless the permit is issued before the first publication of the required notice of public hearing by the Planning Board on such amendment, and the use or construction is commenced within a period of not more than six months after the issuance of the permit, and in cases involving construction, unless such construction is continued through to completion as continuously and expeditiously as is reasonable.