Indiana Code Title 35. Criminal Law and Procedure § 35-48-3-9

Sec. 9. (a) Except for dosages medically required for a period of not more than forty-eight (48) hours that are dispensed by or on the direction of a practitioner or medication dispensed directly by a practitioner, other than a pharmacy, to an ultimate user, no controlled substance in schedule II may be dispensed without the written or electronic prescription of a practitioner.

(b) In emergency situations, as defined by rule of the board, schedule II drugs may be dispensed upon oral prescription of a practitioner, reduced promptly to writing and filed by the pharmacy.  Prescriptions shall be retained in conformity with the requirements of section 7 of this chapter.  No prescription for a schedule II substance may be refilled.

(c) Except for dosages medically required for a period of not more than forty-eight (48) hours that are dispensed by or on the direction of a practitioner, or medication dispensed directly by a practitioner, other than a pharmacy, to an ultimate user, a controlled substance included in schedule III or IV which is a prescription drug as determined under IC 16-42-19, shall not be dispensed without a written, electronic, or oral prescription of a practitioner.  The prescription shall not be filled or refilled more than six (6) months after the date thereof or be refilled more than five (5) times, unless renewed by the practitioner.  Prescriptions for schedule III, IV, and V controlled substances may be transmitted by facsimile from the practitioner or the agent of the practitioner to a pharmacy.  The facsimile prescription is equivalent to an original prescription to the extent permitted under federal law.

(d) A controlled substance included in schedule V shall not be distributed or dispensed other than for a medical purpose.

(e) Prescriptions for schedule V controlled substances may be transmitted by an electronic prescription from the practitioner or the agent of the practitioner to a pharmacy.