What is a Certificate of Clearance, and how is it different from an S-license?
A Certificate of Clearance certifies that an employee of an S-license holderhas undergone a CORI inquiry, and has been approved to work for an individual or company licensed to install security systems.. The license is different in that it permits a contractor or corporation to hold himself or itself out as being engaged in the business of installing, repairing, or offering maintenance for security systems. M.G.L. c. 147, ยง57.
