A pharmacist may dispense up to a 90-day supply of a dangerous drug pursuant to a valid prescription that specifies the dispensing of a lesser amount followed by periodic refills of that amount if:
(1) the total quantity of dosage units dispensed does not exceed the total quantity of dosage units authorized by the prescriber on the original prescription, including refills;
(2) the patient consents to the dispensing of up to a 90-day supply and the physician has been notified electronically or by telephone;
(3) the physician has not specified on the prescription that dispensing the prescription in an initial amount followed by periodic refills is medically necessary;
(4) the dangerous drug is not a psychotropic drug; and
(5) the patient is at least 18 years of age.
Official text of the Texas Occupations Code as published by the Texas Legislative Council.