63 Okl. St. 683.14(A)
Liability: Providing Shelter
An individual who owns property and, voluntarily and without compensation, allows others to use the land for sheltering or for providing mass immunizations during an actual or imminent emergency, will not be held legally responsible for injury, death, or damage to property that results from use of the land. They can be held legally responsible if acting with extreme carelessness or intent to cause harm.
Exemption from Civil Liability
A. Any person owning or controlling real estate or other premises who voluntarily and without compensation grants a license or privilege or otherwise permits the designation or use of the whole or any part or parts of such real estate or premises for the purpose of sheltering persons, or providing a mass immunization and prophylaxis site or Strategic National Stockpile storage site during an actual or impending emergency or exercise shall, together with any successors in interest, if any, not be civilly liable for negligently causing the death of, or injury to, any person on or about such real estate or premises for loss of, or damage to, the property of such person; provided, that the injury or death was caused by or incidental to the actual use of such premises for such real, actual or impending emergency or exercise, and further provided that nothing herein contained shall grant immunity from gross, willful or wanton acts of negligence.