Article XVII, § 20 — Monopolies and trusts prohibited-- Combinations in restraint of trade -- Legislative powers

Monopolies and trusts shall never be allowed in this state and no incorporated company, co-partnership or association of persons in this state shall directly or indirectly combine or make any contract with any incorporated company, foreign or domestic, through their stockholders or the trustees or assigns of such stockholders, or with any co-partnership or association of persons, or in any manner whatever to fix the prices, limit the production or regulate the transportation of any product or commodity so as to prevent competition in such prices, production or transportation or to establish excessive prices therefor. The Legislature shall pass laws for the enforcement of this section by adequate penalties and in the case of incorporated companies, if necessary for that purpose may, as a penalty, declare a forfeiture of their franchises.