N.Y.C. Charter § 820: Section 820. Examination for licenses.

The commissioner shall, unless otherwise provided by law, have power, upon request of any person charged with the duty of issuing licenses or permits, to conduct, under rules and regulations to be established by the commissioner, examinations and tests to determine the qualifications of persons applying for such licenses or permits. The commissioner shall certify to the person having power to issue the license or permit the result of any such examination or test.