; or (II) acquires accreditation from the American Board for Certification in Orthotics, Prosthetics and Pedorthics, Inc. (ABC) or the Board of Certification/Accreditation, International (BOC), or other accreditation entity that the Secretary determines has standards that are essentially equivalent to the standards of such Boards; (ii) maintains a physical facility on an appropriate site; (iii) has proof of appropriate liability insurance; and (iv) meets such other requirements as the Secretary shall specify. (C) Prohibition against multiple supplier numbers The Secretary may not issue more than one supplier number to any orthotic or prosthetic supplier unless the Secretary finds that the issuance of more than one number is appropriate to identify other entities under the ownership or control of the orthotic or prosthetic supplier. (2) Order for orthotics or prosthetics (A) Information provided by orthotists and prosthetists on detailed written orders for orthotics and prosthetics An orthotist or prosthetist may distribute to physicians, or to an individual enrolled under this part, a detailed written order for orthotics or prosthetics (as defined in paragraph (5)) for commercial purposes that contains the following information: (i) The identification of— (I) the orthotic or prosthetic supplier