A city or town may adopt the provisions of this section by vote of its legislative body, in accordance with the procedures described in RSA 79-E:3, to establish a housing opportunity zone. To be eligible for tax relief under this section, the qualifying structure and property shall be located within the housing opportunity zone established by the municipality. Municipalities may further establish criteria for the public benefits, goals, and measures that promote housing affordability for tax relief located within a designated housing opportunity zone. A qualifying structure under this section shall be eligible for tax assessment relief, beginning upon issuance of the certification of occupancy or completion of construction of new housing units, for a period of up to 7 years if no workforce housing, as defined by RSA 674:58, is created, or up to 15 years, if workforce housing is created.