The following words or terms, when used in this Subchapter, shall have the following meaning, unless the context clearly indicates otherwise:
"Drug supplier"means a licensed retail pharmacy which supplies legend drugs to licensed prescribers for their office administration and/or which supplies legend drugs to hospitals and other licensed pharmacies for their dispensing.
"Legend drugs"means including, but not limited to, drugs, medicines, poisons, and/or chemicals (as defined in 59 O.S. Section 353 et seq.) which bear the legend "Caution: Federal Law Prohibits Dispensing Without Prescription" or "RX Only", or any other label FDA may require which restricts drugs to dispensing with a practitioner's prescription.
Okla. Admin. Code § 535:15-7-1