R.I. Gen. Laws § 44-33.5-2: Age and income limits.

Taxpayers qualifying for a senior resident property tax service credit must be sixty-five (65) years of age or over by July 1, 2008 to earn property tax credit relief under this program, reside at the property as a full-time resident or residents, and have a gross annual income from all sources at or below the moderate-income level for Bristol County for the previous calendar year as published by the U.S. Department of Housing and Urban Development for a two-person household for jointly held property or in the case of a single person, at or below the published level as aforementioned for a one-person household.