(1) A developmental disabilities professional must be:

(a) a licensed psychologist;

(b) a licensed psychiatrist; or

(c) a person with a master's degree in psychology, who:

(i) has training and experience in psychometric testing and evaluation; and

(ii) has experience in the field of developmental disabilities.

(2) Experience in the field of developmental disabilities may include:

(a) evaluation;

(b) planning;

(c) testing;

(d) treatment; and

(e) consultation.

(3) Applicants must supply transcripts and other appropriate records that document relevant training and experience.

(4) The certification committee retains the right to determine the appropriateness of any experience for certification purposes.