AFFORDABLE HOUSING – Shall mean residential housing that has a sales price or rental amount that is within the means of a household that is moderate income or less. In the case of dwelling units for sale, housing that is affordable means housing in which principal, interest, taxes, which may be adjusted by State and local programs for property tax relief, and insurance constitute no more than 30% of the gross household income for a household with less than one 120% of area median income, adjusted for family size. In the case of dwelling units for rent, housing that is affordable means housing for which the rent, heat, and utilities other than telephone constitute no more than 30% of the gross annual household income for a household with 80% or less of area median income, adjusted for family size. Affordable housing shall include all types of year-round housing, including, but not limited to, manufactured housing, housing originally constructed for workers and their families, accessory dwelling units, housing accepting rental vouchers and/or tenant-based certificates under Section 8 of the United States Housing Act of 1937, as amended and assisted living housing, where the sales or rental amount of such housing, adjusted for any Federal, State, or municipal government subsidy, is less than or equal to 30% of the gross household income of the low and/or moderate income occupants of the housing. [See RIGL 42-128-8.1(d)(1)]