See Full Constitution
Article XI

Section 3. .

Select dates to read amendment and select a date from the dropdown to compare the changes.

No officer, agent, or employee of any railway, express, telegraph, telephone, sleeping car, or other transportation or transmission company, while representing such company, nor any person financially interested therein, shall hold office as a member of the commission, or perform any of the duties thereof, and no commissioner shall be qualified to act upon any matter pending before the commission, in which he is interested, either as principal, agent, or attorney.