_And be it further Enacted_, That no Act of the said Master, Wardens, and Society of Apothecaries, incorporated as aforesaid, for the carrying any of the powers and provisions of this Act into execution, shall be, or be deemed to be good or valid (save and except as to such Acts as shall be done by the said Master, Wardens, and Assistants, or others appointed by them, or any of them, as hereinbefore is provided, in pursuance of the Powers and Authorities hereinbefore given to them to enter into Shops to search for, examine and destroy unwholesome Drugs or Medicines, and also save and except as to such acts as shall be done by the said Court of Examiners, or the major part of them present, or by the Five Apothecaries hereinafter mentioned, or the major part of them present, in pursuance of the authorities hereinafter given to them), unless the same be done at some Assembly or Meeting to be holden by the said Master, Wardens, and Society, in the Hall of the said Society. And that all the Powers and Authorities by this Act granted to, or vested in, the said Master, Wardens, and Society as aforesaid, shall and may from time to time be exercised by the Master, Wardens, and Assistants of the Art and Mystery of Apothecaries aforesaid for the time being, or by the major part of them present, who shall attend at any such Assembly or meeting to be holden as aforesaid (the number present at such Assemblies or Meetings not being less than Thirteen, of which the said Master for the time being shall always be one), and all the Orders and Proceedings of the said Master, Wardens, and Assistants for the time being, or of such major part as aforesaid, shall have the same force and effect, as if the same were made or done by the said Master, Wardens and Society of Apothecaries incorporated as aforesaid.