333 CMR, § 2.04
Any interested person or his or her attorney may at any time request an advisory ruling with respect to the applicability of any statute or regulation enforced or administered by the Board to any person, property or factual situation. The request shall be addressed to the Board and sent by mail or delivered in person during normal business hours. All requests shall be signed by the person making it or his or her attorney, shall contain his address or the address of his or her attorney and state clearly and concisely the substance or nature of the request. The request may be accompanied by any supporting data, views or arguments. Upon receipt of the request the Board shall consider it and shall within 90 days after receipt notify the petitioner either that the request is denied or that the Board will render an advisory ruling. The Board may notify any person that an advisory ruling has been requested and may receive or consider data, views and arguments from persons other than the petitioner. The Board may at any time rescind a decision to render an advisory ruling. If an advisory ruling is rendered, a copy of the ruling shall be sent to the person requesting it or his or her attorney, and any other person requesting a copy and paying a reasonable fee therefor. No advisory ruling shall be binding upon the Board or upon any person. A complete record of every advisory ruling shall be maintained by the Board.
333 CMR, § 2.04