Correction: an earlier version of this article cited Neil Watts as an “advisor” instead of former member of the United Nations Panel of Experts.

A joint advisory issued by the U.S. government last week will likely further freeze out North Korean-affiliated vessels from the maritime system as industry players heed best practices intended to counter sanctions evasion.

Industry action, such as the policy of voiding of insurance for ships found breaching North Korean sanctions, has already been taken and is expected to continue.

While the advisory urges all actors, from individual ship