A licensee listing a single-family residential property, a multifamily property, a residential lot or a commercial property with a residential component served by a private water supply, and a licensee in such transactions when the property is not listed with a real estate brokerage agency, shall ask the seller for the following information:
Such information and any other information pertinent to the private water supply shall be conveyed, in writing, to a buyer prior to or during preparation of an offer. The fact that information regarding the private water supply is not available shall also be conveyed, in writing, when such is the case.
02-039 C.M.R. ch. 410, § 15