Section 17-172. Dislodging food from person choking; poster

a. Every
  establishment where food is sold and space is designated specifically as
  eating areas shall have posted in a conspicuous place, easily accessible
  to all  employees  and  customers,  a  sign  graphically  depicting  the
  Heimlich  Maneuver  or  a  comparable  technique  instructing  on how to
  dislodge food from a choking person. Such  sign  shall  be  drafted  and
  printed by the department.
    b.  No duty to act. Nothing contained in this section shall impose any
  duty or obligation on  any  proprietor,  employee  or  other  person  to
  remove, assist in removing, or attempt to remove food from the throat of
  the victim of a choking emergency.
    c.  Fees.  The department shall make signs available, and may charge a
  fee to cover printing, postage and handling expenses.