Mass. Gen. Laws ch. 112 § 221
As used in sections 222 to 226, inclusive, the following words shall, unless the context clearly requires otherwise, have the following meanings:-
"Associate home inspector", a person employed by a licensed home inspector to conduct home inspections of residential buildings under the supervision of a licensed home inspector who is licensed pursuant to this chapter.
"Board", the board of registration of home inspectors established pursuant to section 96 of chapter 13.
"Client", a person who engages the services of a home inspector for the purpose of obtaining inspection of and a written report on the condition of a residential building.
"Division", the division of occupational licensure.
"Home inspection", the process by which a home inspector observes and provides pursuant to the sale and transfer of a residential building, a written evaluation of the following readily accessible components of a residential building: heating, cooling, plumbing and electrical systems, structural components, foundation, roof, masonry structure, exterior and interior components and any other related residential housing components. A home inspection shall, at a minimum, conform with standards of practice promulgated by the board.
"Home inspector", a person licensed as a home inspector pursuant to this chapter.
"Residential building", a structure consisting of one to four dwelling units.
Mass. Gen. Laws ch. 112, § 221