If you are the Master of a towing vessel whose only working radar no longer functions, what must you do?

A
Notify the Captain of the Port (COTP) if you cannot repair it within 96 hours.
B
Notify the Officer in Charge of Marine Inspection (OCMI) if you cannot repair it within 48 hours.
C
Moor the vessel until it is repaired.
D
Anchor the vessel until it is repaired.
E