Mo. Rev. Stat. § 209.302: Eligibility for evaluation.

An evaluation shall be available to the following, including, but not limited to:

(1) New interpreters;

(2) Uncertified, qualified interpreters;

(3) Certified interpreters, advancing to another certification level;

(4) An interpreter who is certified by a certification system other than the commission;

(5) Uncertified interpreters who have not interpreted for one year or more; and

(6) Interpreter trainers.