R.I. Gen. Laws § 44-3-15.6

The town of Bristol may establish, by ordinance, a program to provide property tax relief for any individual who volunteers his or her services as a firefighter or emergency medical technician. Such tax relief may provide an abatement of up to two thousand five hundred dollars ($2,500) in property taxes due for any fiscal year. The criteria for providing such tax relief may include, but not be limited to, years of service, rank, quantity of calls responded to, number of training hours, and certification status.