No person shall purchase, receive, or otherwise acquire more than three and six-tenths (3.6) grams of any product, mixture, or preparation per day or more than seven and two-tenths (7.2) grams of any product, mixture, or preparation within any thirty-day period, or sixty (60) grams of any product, mixture, or preparation within a twelve-month period. Once a person has purchased, received or otherwise acquired the daily limit of three and six-tenths (3.6) grams of any product, mixture or preparation, the person shall be prohibited from purchasing, receiving or otherwise acquiring any additional product, mixture or preparation containing any detectable quantity of base pseudoephedrine or ephedrine for a period of not less than seventy-two (72) hours following the last permitted purchase. The requirements of this paragraph shall not apply to any quantity of such product, mixture or preparation dispensed pursuant to a valid prescription. There shall be no protocol or procedure mandated by any individual or corporate entity that interferes with the professional duty of a pharmacist to counsel and evaluate the appropriate pharmaceutical needs of a patient and the exercise of the professional judgment of a pharmacist as to whether it is appropriate to dispense medication as set forth in this paragraph or otherwise.
Okla. Stat. tit. 63, § 2-212