Mass. Gen. Laws ch. 142A, § 12
No application for registration or renewal conforming to the requirements of this chapter may be denied except for a finding by the director that the applicant has done one or more of the following acts which are grounds for denial:
(4) failed to meet or has violated any of the requirements for registered contractors or subcontractors set forth in this chapter or has performed or is attempting to perform any act prohibited by this chapter.
If a registration is refused, the applicant may, within ten days from the date notice of refusal is mailed, make a request for reconsideration. The director must render his decision within a reasonable period of time, but not more than sixty days following the request.