(2) An interpreter certified by either the Registry of Interpreters for the Deaf, Inc. or the National Association of the Deaf, Inc., or a comparable or successor organization of either recognized by the commissioner; or

(3) An instructor of courses conducted through an accredited college, accredited university or accredited or approved high school or conducted by certification maintenance course sponsors approved by the Registry of Interpreters for the Deaf, Inc. or the National Association of the Deaf, Inc., or a comparable or successor organization of either recognized by the commissioner; or

B. Submission of a letter attesting that the applicant's skill level is equivalent to a person who has completed 100 hours of instruction in American Sign Language. The letter must be prepared and signed by:

(1) An instructor recognized by the American Sign Language Teachers Association, or a comparable or successor organization recognized by the commissioner;

(2) An interpreter certified by either the Registry of Interpreters for the Deaf, Inc. or the National Association of the Deaf, Inc., or a comparable or successor organization of either recognized by the commissioner; or

(3) An instructor of courses conducted through an accredited college, accredited university or accredited or approved high school or conducted by certification maintenance course sponsors approved by the Registry of Interpreters for the Deaf, Inc. or the National Association of the Deaf, Inc., or a comparable or successor organization of either recognized by the commissioner; and

5. Proof of education and training in interpreting process. Written Except as provided in this section, written proof of completion of at least 100 clock hours of instruction in the interpreting process, which must include instruction in deaf culture and the ethics of interpreting, conducted through an accredited college, accredited university or accredited or