Section 11-2213. Administration of oaths and compelling testimony

a. The
  commissioner of motor vehicles or his or her employees  or  agents  duly
  designated  and  authorized  by  such  commissioner, and the tax appeals
  tribunal, shall have power to administer oaths and  take  affidavits  in
  relation  to  any matter or proceeding in the exercise of the powers and
  duties under this chapter. The commissioner of motor  vehicles,  or  the
  commissioner  of  finance  if  designated as his or her agent or the tax
  appeals tribunal, shall have the  power  to  subpoena  and  require  the
  attendance  of  witnesses  and  the  production  of  books,  papers  and
  documents to secure information pertinent  to  the  performance  of  the
  duties  of  the  commissioner  of  motor  vehicles,  the commissioner of
  finance or the tax appeals tribunal hereunder and of the enforcement  of
  this  chapter  and  to  examine  them  in relation thereto, and to issue
  commissions for the examination of witnesses who are out of the state or
  unable to attend before him or  her  or  the  tax  appeals  tribunal  or
  excused from attendance.
    b. A justice of the supreme court either in court or at chambers shall
  have power summarily to enforce by proper proceedings the attendance and
  testimony  of  witnesses and production and examination of books, papers
  and documents called for by the subpoena of the  commissioner  of  motor
  vehicles, or, if the commissioner of finance is designated as his or her
  agent  under  this  chapter,  of the commissioner of finance and the tax
  appeals tribunal.
    c. Cross-reference; criminal penalties. For failure to obey  subpoenas
  or  for  testifying  falsely,  see  section  11-4007  of this title; for
  supplying false or fraudulent information, see section 11-4009  of  this
  title.
    d.  The officers who serve the summons or subpoena of the commissioner
  of motor vehicles, or the commissioner of finance if designated  as  his
  or her agent, or the tax appeals tribunal if the commissioner of finance
  is  designated  as  the agent of the commissioner of motor vehicles, and
  witnesses attending in response thereto shall be entitled  to  the  same
  fees  as  are allowed to officers and witnesses in civil cases in courts
  of record, except as herein otherwise provided. Such officers  shall  be
  the city sheriff and his or her duly appointed deputies, or any officers
  or  employees  of  the  department  of  motor vehicles designated by the
  commissioner of motor vehicles to serve such process or any officers  or
  employees  of  the  department  of finance of the city designated by the
  commissioner of finance  to  serve  such  process  or  any  officers  or
  employees of the tax appeals tribunal designated to serve such process.