Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 58, § 1

The commissioner of revenue in chapters fifty-eight to sixty-five C, inclusive, called the commissioner, shall make, and from time to time revise, such reasonable rules, regulations and guidelines, as may be necessary to establish minimum standards of assessment performance. The specific areas to which such standards relate shall include but not be limited to the following: the administration of all laws providing for the assessment and classification of property; the methods of determining the actual fair cash valuation of different kinds of property for tax purposes; the types of qualifications of assessing personnel; and the adequacy of tax maps and other records.