Okla. Stat. tit. 64, § 1097

Unauthorized camp - Violations. A. As used in this section, “unauthorized camp” means any tent, shelter, or bedding constructed or arranged for the purpose of or in such a way to permit overnight use on a property not designated as a campsite. B. Persons may not use state-owned lands for the purposes of establishing an unauthorized camp. C. Any person who violates the provisions of this section shall, upon conviction, be guilty of a misdemeanor punishable by a fine not to exceed Fifty Dollars ($50.00) or by imprisonment in the county jail not to exceed fifteen (15) days, or by both such fine and imprisonment. However, a person who commits a first violation of this section shall be issued a warning, and a citation may not be issued unless the person refuses any assistance offered to them by the arresting officer. Such assistance may include, but is not limited to, transportation to a shelter, food pantry, or other place where resources are made available to assist the indigent and homeless.