20 C.F.R. § 726.207
Every obligation and duty in respect of payment of benefits, the providing of medical and other treatment and care, the payment or furnishing of any other benefit required by the Act and in respect of the carrying out of the administrative procedure required or imposed by the Act or the regulations in this part or part 725 of this subchapter upon an operator shall be discharged and carried out by the carrier as appropriate. Notice to or knowledge of an operator of the occurrence of total disability or death due to pneumoconiosis shall be notice to or knowledge of such carrier. Jurisdiction of the operator by a district director, administrative law judge, the Office, or appropriate appellate authority under the Act shall be jurisdiction of such carrier. Any requirement under any benefits order, finding, or decision shall be binding upon such carrier in the same manner and to the same extent as upon the operator.
20 C.F.R. §726.207