1. (a) An approved controlled substance shall mean the following controlled substance which has been approved by the Food and Drug Administration (FDA), or its successor agency, and the New York State Department of Health for the treatment of narcotic addiction:

   1. (1) buprenorphine.

2. (b) An authorized practitioner is a practitioner specifically registered with the Drug Enforcement Administration to prescribe, administer or dispense an approved controlled substance for the treatment of narcotic addiction, and approved for such purpose pursuant to the provisions of article 32 of the Mental Hygiene Law.

   1. (1) The total number of such patients of an authorized practitioner at any one time shall not exceed the limit established by DATA 2000 and the Department of Health and Human Services (HHS) Substance Abuse and Mental Health Services Administration (SAMHSA), or its successor agency.
   2. (2) An authorized practitioner prescribing an approved controlled substance for the treatment of narcotic addiction, in addition to preparing and signing an official New York State prescription or an electronic prescription in accordance with section 3332 of the Public Health Law and section 80.69 of this Part, shall also include his/her unique DEA identification number on the prescription.
   3. (3) An authorized practitioner may dispense an approved controlled substance for the treatment of narcotic addiction in accordance with section 3331 of the Public Health Law and section 80.71 of this Part.
3. (c) A pharmacist may dispense an approved controlled substance for the treatment of narcotic addiction pursuant to a prescription issued by an authorized practitioner. Such dispensing shall be in accordance with section 3333 of the Public Health Law and section 80.74 of this Part.

Pursuant to the provisions of the Federal Drug Addiction Treatment Act of 2000 (DATA 2000) (106 P.L. 310, div. B, title XXXV, section 3502[a]), an authorized practitioner may prescribe, administer or dispense an approved controlled substance, and a licensed registered pharmacist may dispense an approved controlled substance, to a patient participating in an authorized controlled substance maintenance program approved pursuant to article 32 of the Mental Hygiene Law for the treatment of narcotic addiction.