Poole Harbour Commissioners is a trust, which means it is an independent statutory body, governed by legislation, the latest of which is the Poole Harbour Revision Order 2015. A Harbour Revision Order, approved in July 2001 and effective 1st November 2001, altered the Constitution and selection process to incorporate the changes needed to meet the National Standards for Trust Ports, and Harbour Revision Order 2012 (effective 23rd July 2012) amended the Harbour Limits and the Commissioners’ jurisdiction to the level of Mean High Water of Spring Tides (MHWST).