This chapter provides for the certification of electronic health networks and medical care electronic claims clearinghouses that operate in Maryland. Payors that accept electronic health care transactions originating in Maryland may only accept electronic health care transactions from electronic health networks or medical care electronic claims clearinghouses that obtain certification pursuant to this chapter. This chapter applies to: An electronic health network, as defined in Regulation .02 of this chapter; and The State-designated health information exchange or State-designated HIE as designated by the Maryland Health Care Commission and the Health Services Cost Review Commission pursuant to the statutory authority set forth under Health-General Article, §19-143, Annotated Code of Maryland..