1. For purposes of sections 215.261^* to 215.263, the term “affordable housing” means all residential structures newly constructed or rehabilitated, which a person earning one hundred fifteen percent or less of the median income for the person’s county, as determined by the United States Census Bureau’s American Community Survey, based on the most recent of five-year period estimate data in which the final year of the estimate ends in either zero or five, could afford if spending twenty-nine percent of that person’s gross income annually on such housing.

2. Clerical, research and general administrative support staff for the commission shall be provided by the Missouri department of economic development.