For further information on Crown copyright policy and licensing arrangements, see the guidance featured on the Office of Public Sector Information website – www.opsi.gov.uk
I gael rhagor o wybodaeth am bolisi hawlfraint y Goron ac am drefniadau trwyddedu, trowch at y canllawiau sydd i’w gweld ar wefan Swyddfa Gwybodaeth y Sector Cyhoeddus – www.opsi.gov.uk.