211 CMR, § 133.07
An insurer shall have licensed appraisers conduct intensified appraisals of at least 25% of all damaged motor vehicles for which the appraised cost of repair is less than $4,000.00 and at least 75% of all damaged vehicles for which the appraised cost of repair is more than $4,000.00 for Collision, Limited Collision and Comprehensive claims.
The appraiser shall determine whether the repairs were made in accordance with the initial appraisal and any supplements. The information compiled during the intensified appraisal shall be set forth on a form acceptable to the Auto Damage Appraiser Licensing Board and the Division of Insurance. A copy of an intensified appraisal shall be given to the insurer, and, upon request, to the person making the repairs or the claimant.
211 CMR, § 133.07