verify a 21J COC here:
As a Commonwealth of Massachusetts, Registered Professional Engineering (P.E.) Corporation, UST Inspection Services is uniquely qualified to certify Certificate of Compliance applications in accordance with 503 CMR § 2.07(2)(c) and (d).
Please feel free to contact us for more information:
UST Inspection Services Inc.
Mass Dept Of Revenue, 21J Certificate of Compliance
10 Ash St. Cohasset, MA 02025 781-383-UST3 (8783)