R.I. Gen. Laws § 36-6-21: Mass transportation and fringe benefit program deductions.

The state controller is hereby authorized and directed to make appropriate salary deductions, effective January 1, 2008, and to adopt appropriate provisions to allow state officers and employees the option to exclude employee commuting costs incurred from the purchase of RIPTA commuting passes from taxable wages and compensation, consistent with section 132 of title 26, United States Code, not to exceed the maximum level allowed by law (26 U.S.C. § 132(f)(2). RIPTA is hereby authorized and directed to cooperate with the state controller in developing provisions to implement this section.