The table below shows which edition applies. However, the developer can choose to use a later version. Work started or building notice, full plans application or initial notice submitted –
Edition
Before 1 October 2015 – 2010 edition with 2010 and 2013 amendments
Between 1 October 2015 and 15 February 2016 – Volume 1: 2015 edition
After 15 February 2016 – Volume 1: 2015 edition with 2016 amendments
Note: The 2016 changes are included on the amendment slip issued by RIBA Enterprises for copies purchased after??? 2015.