As used in this act:

(a) “State agency” means any officer, department, bureau, division, board, authority, agency, commission or institution of this state, except the judicial and legislative branches of state government and political subdivisions of the state, which is authorized by law to administer, enforce or interpret any law of this state.

(b) “Agency head” means an individual or body of individuals in whom the ultimate legal authority of the state agency is vested by any provision of law.

(c) “License” means a franchise, permit, certification, approval, registration, charter or similar form of authorization required by law for a person to engage in a profession or occupation.

(d) “Order” means a state agency action of particular applicability that determines the legal rights, duties, privileges, immunities or other legal interest of one or more specific persons.

(e) “Party to state agency proceedings,” or “party” in context so indicating, means:

(1) A person to whom an order is specifically directed; or

(2) a person named as a party to a state agency proceeding or allowed to intervene as a party in the proceeding.

(f) “Person” means an individual, partnership, corporation, association, political subdivision or unit thereof or public or private organization or entity of any character, and includes another state agency.

(g) “Political subdivision” means political or taxing subdivisions of the state, including boards, commissions, authorities, councils, committees, subcommittees and other subordinate groups or administrative units thereof, receiving or expending and supported in whole or in part by public funds.

(h) “Writing,” “written,” or “in writing” means any worded or numbered expression that can be read, reproduced and later communicated, and includes electronically transmitted and stored information.