Mo. Rev. Stat. § 476.800: Definitions.

As used in sections 476.800 to 476.806, the following terms mean:

(1) "Appointing authority" , any court required to provide an interpreter;

(2) "Court proceeding" , any proceeding before a court of record;

(3) "Non-English speaking person" , any person involved in a legal proceeding who cannot readily speak or understand the English language, but does not include persons who are deaf or have a hearing disability;

(4) "Qualified interpreter" , an impartial and unbiased person who is readily able to render a complete and accurate interpretation or translation of spoken and written English for non-English speaking persons and of non-English oral or written statements into spoken English.