OK SB789

Pharmacies may use drug purchase records without limitation of date or source to validate dispensing of prescription drugs or controlled substances, and dispensing fees and actual invoice costs cannot be included in audit recoupments unless a prescription was never dispensed or authorization was denied

Pharmacy benefit managers (PBMs) leasing provider networks to other PBMs must notify contracted providers of lease arrangements, provide contact information in claim responses identifying which contract applies, and are prohibited from combining ERISA/government plans with non-ERISA/nongovernment plans

Effective rate contracting is prohibited in all agreements between pharmacies and PBMs or third-party payors; violations may result in fines, license revocation, or other disciplinary actions

PBMs must reimburse pharmacies at no less than wholesale acquisition cost for drugs on the FDA Drug Shortages Database, and reimbursement appeal requirements apply to all payment methodologies including average acquisition cost, average wholesale price, and federal upper limits

Effective date: November 1, 2025