What are Crown Copyright and Parliamentary Copyright?
Crown Copyright applies to works produced by employees of the Crown e.g. Acts of Parliament.
Parliamentary Copyright applies to works produced by or under the control of the Parliament, e.g. Bills, White and Green Papers and Select Committee reports. Parliamentary copyright applies to works produced after 1st August 1989. Any works produced prior to this date fall under Crown copyright.
It is possible to use and reuse information under Crown Copyright by using the Open Government Licence (OGL), details of this can be found on the OPSI website.