Section 28-212.4.6. Service on occupants

Service may be made upon an occupant
  by delivering such notice to the occupant or to a person employed by the
  occupant  to  work at or to manage or maintain the premises at which the
  nuisance is located; or by affixing such notice to the premises at which
  the nuisance is located in a conspicuous place  or  by  placing  a  copy
  under  the  entrance  door  of  such premises and mailing a copy of such
  notice to the occupant at such premises; and  in  all  instances  except
  personal  delivery  upon such occupant, by mailing the notice of hearing
  to the occupant at the premises at which the nuisance is located.