All regular meetings and all special meetings of the Planning Board shall be open to the public. Notice of all such meetings shall be given in accordance with the requirements of the Open Public Meeting Law, C.231, Laws of New Jersey, 1975. An executive session of the Planning Board for the purpose of discussing and studying any matters to come before the Planning Board shall not be deemed a regular or special meeting of the Planning Board in accordance with the provisions of N.J.S.A. 40:55D-9.