Hawlfraint 2014 David Chan. Darperir y gwaith hwn dan y Creative Commons Attribution 4.0 International License:
http://creativecommons.org/licenses/by/4.0/

Seiliedig ar ddata o www.legislation.gov.uk, hawlfraint y Goron, a ddarperir dan delerau'r Drwydded Llywodraeth Agored fersiwn 3: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

Copyright 2014 David Chan. This work is licensed under the Creative Commons Attribution 4.0 International License: http://creativecommons.org/licenses/by/4.0/

Based on Crown copyright data from www.legislation.gov.uk , provided under the terms of the Open Government Licence version 3: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/