The full name of the owner of every taxicab shall be displayed on each side of the rear doors of the same in letters at least two (2) inches high, and whenever any such taxicab shall be used or operated upon any public highway of this State with the consent of such owner, express or implied, or under any agreement with such owner, express of implied, the operator thereof, if other than such owner, shall, in case of accident, be deemed to be the agent of such owner.
280 R.I. Code R. 280-RICR-30-15-12.5