When any hearing before a Planning Board shall carry over two or more meetings, a member of the Board who was absent for one or more of the meetings, shall be eligible to vote on the matter upon which the hearing was conducted, notwithstanding his absence from one or more of the meetings; provided, however, that such Board member has available to him a transcript or recording of the meeting from which he was absent, and certifies in writing to the Board that he has read such transcript or listened to such recording.