Section 21a-326-5 - Registration of controlled substances(a) It shall be the responsibility of the registrant to be registered in accordance with state and federal controlled substance laws for those particular controlled substance schedules incorporating those drugs used or to be used within the scope of his/her professional practice.(b) A registrant may voluntarily surrender his/her controlled substance registration privileges in any or all controlled substance schedules to the Commissioner of Consumer Protection or may voluntarily refrain from registering in those controlled substance schedules not applicable to his/her professional practice or scientific research.(c) The Commissioner of Consumer Protection may in accordance with Sections 21a-323 and 21a-324 of the General Statutes limit the schedules for which the practitioner is registered.Conn. Agencies Regs. § 21a-326-5