Any individual, business, church or school that renders emergency care, aid, shelter or other assistance during a natural disaster or catastrophic event shall not be liable for damages resulting from the rendering of emergency care, aid, shelter or assistance unless the damage was caused by the gross negligence or willful or wanton misconduct of the individual or entity rendering the emergency care, aid, shelter or assistance.
Okla. Stat. tit. 76, § 5.9