Section 17-610. Consequences of failure to pass a drug test; refusal to take a drug test

a. Any driver who does not pass a  drug  test  administered  pursuant  to this chapter shall immediately be removed from active duty.
  The  medical  review   officer   may,   where   appropriate,   recommend
  rehabilitation  or  other  treatment programs. No driver shall return to
  active duty unless he or she submits proof of successful completion of a
  rehabilitation program or  other  recommended  treatment  and  passes  a
  return to active duty drug test as required by section 17-608.
    b.  Any  driver who does not pass a drug test shall receive within ten
  days of the confirmatory test, together with written notification of his
  or her test result, written notice of the right to undergo an additional
  drug test performed on a sample of the same  specimen,  at  his  or  her
  option  and  expense, within thirty days after the administration of the
  original drug test.
    c. Any driver who refuses to take a drug  test  shall  immediately  be
  removed from active duty for a period of at least one year and shall not
  return to active duty until passing a return to active duty drug test as
  required by section 17-608.