Section 19-202. Personnel of the bureau

a. The head of such bureau shall be
  the director, who shall be appointed by the commissioner.  The  director
  may  delegate  any of the powers and duties conferred upon him or her by
  this chapter.
    b. The commissioner may appoint a deputy director and may employ  such
  officers  and  employees  as  may be required to perform the work of the
  bureau, within the amounts available therefor by appropriation.
    c. The commissioner shall appoint senior  hearing  examiners,  not  to
  exceed  ten  in number. The duties of each senior hearing examiner shall
  include, but not be limited  to:  (1)  presiding  at  hearings  for  the
  adjudication  of  charges of parking violations; (2) the supervision and
  administration of the work of the bureau;  and  (3)  membership  on  the
  appeals board of the bureau, as herein provided.
    d.  The commissioner shall appoint hearing examiners who shall preside
  at hearings for the adjudication of charges of parking  violations.  The
  commissioner  may also designate non-compensated hearing examiners as he
  or she may deem  necessary.  Every  hearing  examiner  shall  have  been
  admitted  to  the practice of law in this state for a period of at least
  five years.