(1)  Notwithstanding any other provision of this chapter, on and after the effective date of this act, it shall be unlawful for an urban renewal agency to expend revenue collected under this chapter on project costs when either the amount of revenue collected under this chapter, or the amount of revenue collected under this chapter plus any other public funds, not including federal funds or federal funds administered by a public body, contributes to fifty-one percent (51%) or more of the total project cost and the project is for construction of a municipal building or a multipurpose sports stadium complex, or the remodel of such a building or complex, with a total project cost exceeding one million dollars ($1,000,000) unless such construction project is first approved in an election by sixty percent (60%) of the participating qualified electors residing within the borders of the qualified municipality. An election pursuant to this section shall be in accordance with the provisions of chapter 1, title 34, Idaho Code. The total project cost described in this subsection shall not include the cost of any infrastructure or belowground improvements including, but not limited to, water, sewer, storm drainage, electrical, natural gas, telecommunication, or other similar systems and lines, streets, roads, curbs, gutters, sidewalks, walkways, parking facilities, or unoccupied auxiliary structures. This section shall not be construed to require an election regarding bonds issued prior to the effective date of this act.
(2)  For purposes of this section, the following terms shall have the following meanings:
(a)  "Multipurpose sports stadium complex" means a place or venue for indoor or outdoor sports, concerts, or other events that contains a field or other playing surface or area either partly or completely surrounded by a tiered structure designed to allow spectators to stand or sit and view the event;
(b)  "Municipal building" means only an administrative building, city hall, library, courthouse, public safety or law enforcement buildings, other judicial buildings, fire stations, jails, and detention facilities that are not subject to property taxation whether they are, or are intended to be, owned or operated by or leased to a public body for the public’s benefit;
(c)  "Project costs" shall have the same meaning as provided in section 50-2903(14), Idaho Code;
(d)  "Public body" shall have the same meaning as provided in section 50-2018(3), Idaho Code;
(e)  "Public funds" shall mean the funds collected or received by a public body but shall not include grants or donations from private entities or individuals to the public body.