(a) In General. - The Secretary shall prescribe regulations which establish a safety management system for responsible persons and vessels to which this chapter applies, including - (1) a safety and environmental protection policy; (2) instructions and procedures to ensure safe operation of those vessels and protection of the environment in compliance with international and United States law; (3) defined levels of authority and lines of communications between, and among, personnel on shore and on the vessel; (4) procedures for reporting accidents and nonconformities with this chapter; (5) procedures for preparing for and responding to emergency situations; and (6) procedures for internal audits and management reviews of the system. (b) Compliance With Code. - Regulations prescribed under this section shall be consistent with the International Safety Management Code with respect to vessels engaged on a foreign voyage.