Ohio Rev. Code Ann. § 4730.21
(A) The supervising physician of a physician assistant exercises supervision, control, and direction of the physician assistant. In supervising a physician assistant, all of the following apply:
(1) Except when the on-site supervision requirements specified in section 4730.45 of the Revised Code are applicable, the supervising physician shall be continuously available for direct communication with the physician assistant by either of the following means:
(D)
(F)
(2) In establishing the quality assurance system, the supervising physician shall describe a process to be used for all of the following: