In addition to inspections required by , the Secretary shall examine or have examined—

((1)) each vessel subject to inspection at proper times to ensure compliance with law and regulations; and

((2)) crewmember accommodations on each vessel subject to inspection at least once a month or when the vessel enters United States ports to ensure that the accommodations are—

((A)) of the size required by law and regulations;

((B)) properly ventilated and in a clean and sanitary condition; and

((C)) equipped with proper plumbing and mechanical appliances required by law and regulations, and the appliances are in good working condition.