Okla. Stat. tit. 72, § 221.5

For the determination of compliance with limits set forth in the Oklahoma Central Purchasing Act, each division of the Oklahoma Department of Veterans Affairs that operates a State Veterans Home shall, if the division has a Certified Procurement Officer and makes purchases in compliance with internal purchasing procedures of the Oklahoma Department of Veterans Affairs that are approved by the Office of Management and Enterprise Services, be regarded as an individual purchasing entity.