Section 20-391. Rules and regulations

The commissioner may make such rules
  and regulations not inconsistent with the provisions of this subchapter,
  as may be necessary with respect to the form and content of applications
  for licenses, the reception thereof, the investigation  and  examination
  of applicants and their qualifications, and the other matters incidental
  or  appropriate  to  his  or her powers and duties as prescribed by this
  subchapter and for the proper  administration  and  enforcement  of  the
  provisions of this subchapter, and to amend or repeal any such rules and
  regulations.