When fire detecting systems, fire extinguishing systems, and associated equipment are not required by the Coast Guard but are installed on a cargo vessel at the option of the vessel's owner, they __________.

Correct Answer: Option C — must also be inspected and/or tested in accordance with Coast Guard Regulations at each Inspection for Certification

Under USCG National Maritime Center examination standards, the accepted correct answer is: must also be inspected and/or tested in accordance with Coast Guard Regulations at each Inspection for Certification.