An EMS provider shall utilize online medical direction as required in the Maryland Medical Protocols for Emergency Medical Services Providers from: An approved base station; or A system medical director. An EMS provider may receive online medical direction from a licensed physician present at the scene. Any such online medical direction, received under §B of this regulation, shall be consistent with the Maryland Medical Protocols for Emergency Medical Services Providers. Any online medical direction, received under §B of this regulation, which deviates from the Maryland Medical Protocols for Emergency Medical Services Providers shall be approved through consultation with: An appropriate base station; or A system medical director.