The use of wireless telegraphy apparatus complying with the interface requirements which forms part of the publication “IR 2027.2 – UK Radio Interface Requirement 2027.2 for AM/SSB and DSB use in the Citizens’ Band Radio Service”, published by OFCOM in June 2014, is exempt from the provisions of section 8(1) of the Act, if it does not cause or contribute to any undue interference to any wireless telegraphy.