"Public body" means:
1. The State of Nevada, or any agency, instrumentality or corporation thereof;
2. The Nevada System of Higher Education;
3. Any municipality, county, school district or other type of district, or a city or town, incorporated or unincorporated; or
4. Any other body corporate and politic comprising a political subdivision of this State or acting on behalf thereof.
(Added to NRS by 2003, 1355)