The U.S. Department of Treasury on Friday released an advisory detailing North Korea’s maritime sanction evasion techniques, risk mitigation strategies, and ways to report suspicious DPRK vessel activity to the U.S. Coast Guard.

The 10-page document – which accompanied a new set of North Korea sanctions issued by the Office of Foreign Assets Control (OFAC) – also included a list of DPRK ships breaking UN sanctions and a summary of U.S. and UN maritime prohibitions.

“The North Korean shipping industry is a primary means by which North Korea evades sanctions to fund its nuclear weapons and ballistic missile programs,” the advisory