(a) Every person who sells or otherwise distributes controlled substances, shall keep records of all purchases or other receipt and sales or other distribution of such substances for two years from the date of purchase or sale. Such records shall include the name and address of the person from whom purchased or otherwise received or to whom sold or otherwise distributed, the date of purchase or receipt or sale or distribution, and the quantity involved: Provided, however, That this subsection shall not apply to a practitioner who dispenses controlled substances to his patients, unless the practitioner is regularly engaged in charging his patients, whether separately or together with charges for other professional services, for substances so dispensed.

(b) Every practitioner licensed by law to administer, dispense or distribute controlled substances shall keep a record of all such substances administered, dispensed or distributed by him, showing the amount administered, dispensed or distributed, the date, the name and address of the patient, and in the case of a veterinarian, the name and address of the owners of the animal to whom such substances are dispensed or distributed. Such record shall be kept for two years from the date of administering, dispensing or distributing such substance and shall be open for inspection by the proper authorities.

(c) Persons registered or licensed to manufacture or distribute or dispense a controlled substance, other drug or device under this act shall keep records and maintain inventories in conformity with the record-keeping, order form and inventory requirements of Federal law and with any additional regulations the secretary issues. Controlled substances in Schedules I and II¹ shall be distributed by a registrant to another registrant only pursuant to an order form.