As announced on 3 March 2015
, and following a public consultation
in regard to BTTA estimates in July 2014, HMRC is to introduce methodology changes to improve the calculation of the BTTA estimates included in UK trade with EU Member States. These changes are described at Section 3 of the BTTA Consultation Briefing Paper
, and will be incorporated into the May 2015 trade statistics which are due to be published on 10 July 2015.