Mass. Gen. Laws ch. 111 § 207
For the purposes of sections two hundred and eight to two hundred and fourteen, inclusive, the following words shall, unless the context clearly indicates otherwise, have the following meanings:
"Board of health" or "board", the board of health, including the board or officer having like powers and duties in towns where there is no board of health, with jurisdiction in the community in which a tanning facility is located.
"Operator", a person employed and trained by a tanning facility to control, maintain or operate a tanning device under sections 207 to 213, inclusive, and to assist or instruct customers of the tanning facility in the correct use or operation of a tanning device.
"Phototherapy device", equipment that emits ultraviolet radiation and is used by health care professionals in the treatment of disease.
"Tanning device", any equipment used for tanning the skin that emits electromagnetic radiation with wavelengths in the air between two hundred and four hundred nanometers, including, but not limited to, a tanning booth, tanning bed or sunlamp which includes high pressure tanning lamps. Tanning device shall also include any accompanying equipment, including, but not limited to, protective eyewear, timers and handrails.
"Tanning facility", any location, place, area, structure or business which provides access to a tanning device.
Mass. Gen. Laws ch. 111, § 207