Section 151.2075 - Enforcement and compliance(a) The master, owner, operator, agent, or person in charge of a vessel must provide the Captain of the Port (COTP) with access to the vessel in order to take samples of ballast water and sediment, examine documents, and make other appropriate inquiries to assess the compliance of any vessel subject to this subpart.(b) The master, owner, operator, agent, or person in charge of a vessel subject to this section must provide the records to the COTP upon request, as required by § 151.2070 of this subpart.(c) Vessels with installed ballast water management systems are subject to Coast Guard inspection. Every vessel must have a sampling port(s) designed and installed in accordance with 46 CFR 162.060-28(f) and (f)(2) at each overboard discharge point.(d) In this subpart, wherever multiple entities are responsible for compliance with any requirement of the rule, each entity is jointly liable for a violation of such requirement.