On the commencement day—
(a) the Environment Protection Board under section 8(1) of the Environment Protection Act 1970 as in force immediately before the commencement day is abolished and any person appointed as a member of that Board ceases to hold office; and
(b) the office of Chairman under section 6(1) of the Environment Protection Act 1970 as in force immediately before the commencement day is abolished and any person appointed as Chairman ceases to hold office; and
(c) the office of Deputy Chairman under section 6(2) of the Environment Protection Act 1970 as in force immediately before the commencement day is abolished and any person appointed as Deputy Chairman ceases to hold office.