British Eventing, Pony Club, British Riding Clubs and British Team Chasing

British and European: PAS 015 (1998 or 2011) and VG1, all with BSI Kitemark
American: ASTM F1163: 2004a onwards with SEI mark, Snell E2001 onwards with the official Snell label and number
Australia and New Zealand: AS/NZS 3838 2006 onwards with SAI Global mark

British Dressage

British: All PAS 015 (1998 and subsequent updates)
European: VG1, EN1384 – 2017 (only in conjunction with another accepted standard from this list)
American: Snell E2001 and E2016
Australian and New Zealand: AS/NZA 3838 2006 onwards

British Showjumping

British: All PAS (1998 or 2011) 015, VG1 provided they are BSI Kitemarked
European: VG1 provided they are BSI Kitemarked
American: All SEI ASTM F1163 04a onwards and SNELL E2001 and SNELL E2016.
Australian and New Zealand: AS/NZS 3838 2006 onwards.