Mass. Gen. Laws ch. 176G, § 25
(b) Except as provided by subsection (c) or (d), the commissioner shall require that the adjusted net worth of a health maintenance organization be maintained subsequent to initial licensure in an amount equal to the greater of the following amounts:
(c) A health maintenance organization licensed before January 1, 2004 must maintain a minimum adjusted net worth of:
(d) In determining adjusted net worth, no debt shall be considered fully subordinated unless the subordination clause is in a form acceptable to the commissioner, which shall at a minimum meet the following requirements:
(f) The commissioner may adopt rules, regulations and guidelines, from time to time, requiring any health maintenance organization incorporated, licensed, approved or authorized to engage in business pursuant to this chapter to possess and constantly maintain capital and surplus levels in excess of the statutory levels required by this chapter based upon any of the following factors:
(6) the size of a health maintenance organization's asset valuation reserves and interest maintenance reserves.
The rules, regulations or guidelines adopted under this section shall be designed to assure the financial solvency of health maintenance organizations for the protection of policyholders, enrolled members, shareholders and the general public. The commissioner may establish, by rule, regulation or guideline, a procedure that shall require a health maintenance organization to increase its capital and surplus amounts over a specified period of time until the required statutory minimums established by this chapter, or higher levels as ordered by the commissioner, are met.