On 17 December 2014, the Association of British Insurers (ABI) published an updated version of its Statement of Best Practice for Critical Illness Cover. Key changes to the Statement include (a) clarification of the distinction between additional and partial payments (b) clarification of additional cover at policy level, (c) amendment of certain definitions in order to bring them into line with clinical practice (e.g. 'heart attack'), make them clearer or take account of advances in medicine. ABI members must adopt the changes by the end of December 2015.