This document provides legislative templates and related information for states implementing FAO's landmark agreement on Port State Measures to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing, which came into force in 2016, and the related Indian Ocean Tuna Commission Resolution 10/11. The templates provide a framework for implementing the core provisions of these legal instruments into national legislation, as well as supporting provisions relationg to enforcement, information and evidence. They can be adapted to different legal systems, institutions and instruments.