(a) Notice Requirement. Public notice shall be given at least one hundred and twenty (120) days prior to the examination. Applicants for licensure by examination must submit application to the Board at least sixty (60) days prior to the scheduled examination. The Board may hold examinations as deemed necessary.

(b) Cost and Grading. Each applicant shall incur all expenses to proctor the examination. The preparation, administration and grading of examination shall be governed by rules as prescribed by the Board. To pass the examination, the examinee must demonstrate scientific and practical knowledge sufficient to prove competency to practice the profession in the judgment of the Board.