In this article, unless the context otherwise requires:

1. 1. "Commercial historic property" means real property that:

   1. (a) Meets the criteria for classification as class one, paragraph 12 pursuant to section 42-12001 or class four pursuant to section 42-12004, subsection A, paragraphs 2 through 9.
   2. (b) Is listed in the national register of historic places established and maintained under the national historic preservation act (P.L. 89-665; 80 Stat. 915; 16 United States Code section 470 et seq.), as amended.
   3. (c) Meets the minimum standards of maintenance established by rule by the Arizona state parks board.

2. 2. "Noncommercial historic property" means real property:

   1. (a) That is listed in the national register of historic places established and maintained under the national historic preservation act (P.L. 89-665; 80 Stat. 915; 16 United States Code section 470 et seq.), as amended.
   2. (b) That meets the minimum standards of maintenance established by rule by the Arizona state parks board.
   3. (c) On which no business or enterprise is conducted with the intent of earning a profit.