Relative to the transparency and affordability of the Group Insurance Commission. Health Care Financing. There shall be a special commission governed by section 2A of chapter 4 of the General Laws to: (i) assess public transparency at the Group Insurance Commission with respect to its procurement and contracting processes; (ii) make recommendations to improve transparency at the Group Insurance Commission including, but not limited to, requiring the public disclosure of its vendor contracts involving health care costs and pharmaceutical pricing; (iii) evaluate the potential use of reference based pricing as a means of making medical costs through the Group Insurance Commission affordable and uniform; (iv) investigate the value and viability of a public option health insurance plan available to public and non-public employees in the Commonwealth of Massachusetts. The commission shall file its findings and recommendations, together with drafts of legislation necessary to carry those recommendations into effect, with the clerks of the senate and the house of representatives, the chairs of the senate and house committees on public service and the chairs of the senate and house committees on health care financing not later than December 1, 2021.