English: The Planning (Listed Buildings, Conservation Areas and Hazardous Substances) (Amendments relating to Crown Land) (Wales) Regulations 2006

Welsh: Rheoliadau Cynllunio (Adeiladau Rhestredig, Ardaloedd Cadwraeth a Sylweddau Peryglus) (Diwygiadau sy'n ymwneud â Thir y Goron) (Cymru) 2006