Vt. Stat. tit. 8 § 4588
Annually, on or before March 1, a medical service corporation shall file with the Commissioner of Financial Regulation a statement sworn to by the president and treasurer of the corporation showing its condition on December 31, which shall be in such form and contain such matters as the Commissioner shall prescribe. To qualify for the tax exemption set forth in section 4590 of this title, the statement shall include a certification that the medical service corporation operates on a nonprofit basis for the purpose of providing an adequate medical service plan to individuals of the State, both groups and nongroups, without discrimination based on age, gender, geographic area, industry, and medical history, except as allowed by subdivisions 4080g(b)(7)(B)(ii) and 4080g(c)(8)(B)(ii) of this title and by 33 V.S.A. § 1811(f)(2)(B).
8 V.S.A. § 4588