As used in this chapter:
(1) "Credentialed interpreter" means an interpreter who is credentialed by the administrative office of the courts in a spoken language.
(2) "Judicial officer" means a judge, commissioner, or magistrate of any court.
(3) "Language access plan" means a plan that is publicly available which contains the elements required by RCW 2.43.090.
(4) "Legal proceeding" means any proceeding in any court, and in any type of hearing before a judicial officer, an administrative law judge, or before an administrative board, commission, agency, or licensing body of the state or any political subdivision.
(5) "Person with limited English proficiency" means a person involved in a legal proceeding who cannot readily speak or understand the English language, but does not include deaf, deaf-blind, and hard of hearing individuals who are covered under chapter 2.42 RCW.
(6) "Presiding officer" means the judicial officer or similar official of any court, department, board, commission, agency, or licensing authority of the state or of any political subdivision thereof.