Rhode Island Code of Regulations
Title 815 - Division of Public Utilities and Carriers
Chapter 50 - Common Carriers
Subchapter 10 - Motor Carriers of Passengers
Part 3 - Rules and Regulations for Licensing Operators Transporting Passengers in Taxicabs, Limited Public Motor Vehicles and Public Motor Vehicles (815-RICR-50-10-3)
Section 815-RICR-50-10-3.8 - Rates and Charges

A. Every cab is required by state law and Division rule to have a calibrated, sealed and operational taximeter. Drivers may charge only the rate displayed on the taximeter - as well as any other approved tariff charge (i.e. extra passenger(s) beyond two, large luggage items or an officially authorized fuel surcharge).

B. Drivers are strictly prohibited by state law and Division rule from charging "flat rates" in which a passenger is charged a set price for a trip in which the taximeter is not utilized.

C. Drivers must furnish passengers with fare receipts upon request.