As used in this division, the following terms shall have the following meanings:
(1) COOPERATIVE PURCHASING. Procurement conducted by, or on behalf of, one or more public procurement units.
(2) EXTERNAL PROCUREMENT ACTIVITY. A buying organization not located in this state which, if located in this state, would qualify as a public procurement unit. The term includes agencies of the United States and of any other state.
(3) LOCAL PUBLIC PROCUREMENT UNIT. Any of the following:
a. A unit that is governed by this article and is also a municipality or other political subdivision of the state.
b. An agency of any political subdivision, public authority, or educational, health, or other institution.
c. Any nonprofit corporation operating a charitable hospital.
d. To the extent provided by law, any entity that expends public funds for the procurement of supplies or services and is governed by this article.
(4) PUBLIC PROCUREMENT UNIT. Any one of the following:
a. A local public procurement unit.
b. An external procurement activity.
c. A state public procurement unit.
d. Any not-for-profit entity comprised of more than one unit or activity listed in paragraph a., b., or c.
(5) STATE PUBLIC PROCUREMENT UNIT. The Office of the Chief Procurement Officer or the equivalent officer of any other state and any purchasing agency of this state or any other state.