the controlled substance is delivered by the pharmacy to the prescribing practitioner or the practitioner administering the controlled substance, as applicable, at the location listed on the practitioner’s certificate of registration issued under this subchapter;

the controlled substance is a narcotic drug in schedule III, IV, or V to be administered for the purpose of maintenance or detoxification treatment and is to be administered by injection or implantation;

the pharmacy and the practitioner are authorized to conduct the activities specified in this section under the law of the State in which such activities take place;

the prescription is not issued to supply any practitioner with a stock of controlled substances for the purpose of general dispensing to patients;

except as provided in subsection (b), the controlled substance is to be administered only to the patient named on the prescription not later than 45 days after the date of receipt of the controlled substance by the practitioner; and

notwithstanding any exceptions under section 827 of this title, the prescribing practitioner, and the practitioner administering the controlled substance, as applicable, maintain complete and accurate records of all controlled substances delivered, received, administered, or otherwise disposed of under this section, including the persons to whom controlled substances were delivered and such other information as may be required by regulations of the Attorney General.