Okla. Stat. tit. 63 § 1-291.6
Subject to the availability of funding, participating facilities who provide HBOT to veterans suffering from TBI shall provide treatment at no cost to the veteran and shall submit a bill for any treatment to the Director of the Office of Management and Enterprise Services. The bill shall be paid from the Veterans Traumatic Brain Injury Treatment and Recovery Revolving Fund to the extent funds are available. Should the costs of the treatment exceed the availability of funds, the veteran treated shall be held harmless from any costs of treatment by the facility and the state shall be under no obligation to make payments beyond the approved amount in the fund created in Section 3 of this act and set aside for that purpose by the Director of the Office of Management and Enterprise Services.
Okla. Stat. tit. 63, § 1-291.6