(b) Vacancies in the membership of the commission shall be filled in the same manner as the original appointments.

(c) At its initial meeting, the members of the commission shall elect a member who is not a member of the legislature to serve as chair and the commission shall adopt its rules of procedure. Thereafter, the commission shall convene at the call of the chair. An affirmative vote of two thirds of the full commission shall be necessary for any revision of this constitution or any part of it to be proposed by the commission.

(d) The commission shall examine the state budgetary process, the revenue needs and expenditure processes of the state, the appropriateness of the tax structure of the state, and governmental productivity and efficiency; review policy as it relates to the ability of state and local government to tax and adequately fund governmental operations and capital facilities required to meet the state’s needs during the next twenty year period; determine methods favored by the citizens of the state to fund the needs of the state, including alternative methods for raising sufficient revenues for the needs of the state; determine measures that could be instituted to effectively gather funds from existing tax sources; examine constitutional limitations on taxation and expenditures at the state and local level; and review the state’s comprehensive planning, budgeting and needs assessment processes to determine whether the resulting information adequately supports a strategic decisionmaking process.

(e) The commission shall hold public hearings as it deems necessary to carry out its responsibilities under this section. The commission shall issue a report of the results of the review carried out, and propose to the legislature any recommended statutory changes related to the taxation or budgetary laws of the state. Not later than one hundred eighty days prior to the general election in the second year following the year in which the commission is established, the commission shall file with the custodian of state records its proposal, if any, of a revision of this constitution or any part of it dealing with taxation or the state budgetary process.