Minn. Stat. § 273.1318
Subd. 1. Income limitation.
Subd. 2. Annual determination.
With regard to buildings, the construction of which had been commenced after December 31, 1982; or the project of which the building was a part was approved by the governing body of the municipality in which it is located subsequent to June 29, 1983; or financing of the project had been approved by a federal or state agency subsequent to June 29, 1983, a governmental agency providing financing or mortgage insurance for a building qualifying for class 4c or 4d or other entity must annually review income records maintained by the owner of the property to determine the units that qualify for a class 4c or 4d rate under this section. The income records must reflect household income at the commencement of the tenancy, and thereafter, when household composition changes. If the entity is not a governmental agency, the entity must be approved by the department of revenue. The agency or other entity shall report to the assessor responsible for assessing the property at the time and in the manner required by the assessor. The income records must be made available to the assessor. The assessor shall determine the units that qualify for a class 4c or 4d rate.