An applicant for certification of his competence as a boiler inspector whose application has been accepted may take an examination for such certification at such reasonable time and place and upon such reasonable notice as the commissioner may determine. The examination shall be written and shall be limited to testing the extent of the applicant's knowledge of the construction, installation, operation, maintenance and inspection of boilers as defined by subdivision 6 of section 204 of the Labor Law.
N.Y. Comp. Codes R. & Regs. Tit. 12 §§ 4-2.5