Indiana Code Title 16. Health § 16-31-9-4

Sec. 4. (a) A person is not obligated to remove, assist in removing, or attempt to remove food from another person's throat.  A person who in good faith gratuitously removes, assists in removing, or attempts to remove food from another person's throat in an emergency occurring at a food service establishment is not liable for any civil damages as a result of any act or omission by the person providing the emergency assistance unless the act or omission amounts to willful or wanton misconduct.

(b) The owner or operator of a food service establishment is not liable for any civil damages that result from an act or omission by a person rendering or attempting the emergency assistance if there is an approved placard posted in the food service establishment.