Okla. Stat. tit. 59, § 59-1850.6: Examinations

A. Examinations for licenses as mechanical contractors or

mechanical journeymen shall be uniform and practical in nature for

each respective license and shall be sufficiently strict to test the

qualifications and fitness of the applicants for licenses.

Examinations shall be in whole or in part in writing. The Committee

shall conduct examinations quarterly and at such other times as it

deems necessary.

B. Any applicant initially failing to pass the examination

shall not be permitted to take another examination for a period of

thirty (30) days. Any applicant subsequently failing to pass the

examination shall not be permitted to take another examination for a

period of ninety (90) days.