<ul><li><a href=http://www.legislation.gov.uk/ukpga/2003/21/contents target=_blank>Communications Act(Communications Act 2003, last updated in December 2017)</a></li><li><a href=http://www.legislation.gov.uk/ukpga/2006/36/contents target=_blank>Wireless Telegraphy Act(Wireless Telegraphy Act 2006,last updated in June 2017, s. 10, SCHEDULE 1)</a></li></ul>