“Nothing in this section [enacting this section and provisions set out as a note under this section] shall limit any authority available, as of the date of enactment of this Act [Dec. 23, 2022], to the captain of a port with respect to safety measures or any other authority as necessary for the safety of vessels located in anchorage grounds in the navigable waters of the United States.”

“The amendments made by subsection (a) [enacting this section] may not be construed to alter any existing rules, regulations, or final agency actions issued under section 70006 of title 46, United States Code, as in effect on the day before the date of enactment of this Act [Dec. 23, 2022], until all regulations required under subsection (span) [136 Stat. 4091] take effect.”