USCG Port Security Advisory Publications Steamship Mutual Published: June 12, 2020 Contact author Download article pdf Image The United States Coast Guard issued Port Security Advisory (1 -20) on 10 June 2020. The Advisory looks at the effectiveness of anti-terrorism measures in non-US ports and provides for the imposition of conditions of entry on vessels arriving in the United States from countries that do not maintain effective anti-terrorism measures. The Advisory reports on actions required by vessels visiting countries affected and actions required by vessels in US ports. The USCG Port Security Advisory (1 -20) can be read here . Image here