Nev. Rev. Stat. § 76.020

1. Except as otherwise provided in subsection 2, “ business ” means: (a) Any person, except a natural person, that performs a service or engages in a trade for profit; (b) Any natural person who performs a service or engages in a trade for profit if the person is required to file with the Internal Revenue Service a Schedule C (Form 1040), Profit or Loss From Business Form, or its equivalent or successor form, a Schedule E (Form 1040), Supplemental Income and Loss Form, or its equivalent or successor form, or a Schedule F (Form 1040), Profit or Loss From Farming Form, or its equivalent or successor form, for that activity; or (c) Any entity organized pursuant to this title, including, without limitation, those entities required to file with the Secretary of State, whether or not the entity performs a service or engages in a business for profit.

2. The term does not include: (a) A governmental entity. (b) A nonprofit religious, charitable, fraternal or other organization that qualifies as a tax-exempt organization pursuant to 26 U.S.C. § 501(c) . (c) A person who operates a business from his or her home and whose net earnings from that business are not more than 66 2/3 percent of the average annual wage, as computed for the preceding calendar year pursuant to chapter 612 of NRS and rounded to the nearest hundred dollars. (d) A natural person whose sole business is the rental of four or fewer dwelling units to others. (e) A business organized pursuant to chapter 82 or 84 of NRS. (f) A business organized pursuant to chapter 81 of NRS if the business is a nonprofit unit-owners' association.