Ohio Rev. Code Ann. § 4729.291
(C)
(1) Except as provided in divisions (D) and (E) of this section, no prescriber shall do either of the following:
(D) None of the following shall be counted in determining whether the amounts specified in division (C)(1) of this section have been exceeded:
(2) Buprenorphine personally furnished to patients for the purpose of treating drug dependence or addiction as part of an opioid treatment program that possesses a terminal distributor of dangerous drugs license issued under section 4729.54 of the Revised Code, is the subject of a current, valid certification from the substance abuse and mental health services administration of the United States department of health and human services pursuant to 42 C.F.R. 8.11, and meets either of the following criteria: