; and (2) continue efforts to acquire such items until they become available. 200010. Regulation of anchorage and movement of vessels during national emergency Section 70051 of title 46, United States Code, is amended— (1) in the section heading by inserting or public health emergency after national emergency ; (2) by inserting or whenever the Secretary of Health and Human Services determines a public health emergency exists, after international relations of the United States ; (3) by inserting or to ensure the safety of vessels and persons in any port and navigable waterway, after harbor or waters of the United States ; (4) by inserting or public health emergency, after subversive activity ; and (5) by inserting or to ensure the safety of vessels and persons in any port and navigable waterway, after injury to any harbor or waters of the United States, . 200011. MSP operating vessels Notwithstanding part 296 of title 46, Code of Federal Regulations, until December 31, 2020, or upon the written determination of the Secretary of Transportation until June 31, 2021, the operator of a vessel operating such vessel under an MSP Operating Agreement (as such term is defined in section 296.2 of title 46, Code of Federal Regulations)— (1) shall not be required to comply with any requirement with respect to operating days (as such term is defined in such section) contained in such agreement