MIN 423 Revalidating a certificate of competency

This publication was withdrawn on 29 October 2014

This MIN has been replaced by MIN 494

Information about requirements for masters and officers of merchant ships to revalidate their certificates of competency.



MIN 423 has been replaced by MIN 494

This notice is for all:

  • owners
  • operators
  • managers
  • masters
  • officers

of merchant ships.