(a) All meetings of the PERB shall be open to the public unless four members shall vote, in open public meeting, to close the remainder of the meeting to the public for that day or part thereof. A new vote shall be taken in public on the day of each subsequent closing of the PERB meetings to the public for that day or part thereof.
(b) All records of the PERB shall be open for public inspection unless four members shall vote, in open public meeting, to withhold specific records, documents, or evidence from public scrutiny.