All horses (this includes ponies, donkeys and other equidae - including zebras, other exotic equidae but not semi-feral equidae residing in designated areas) must have a passport and those which were identified after 1 July 2009, must be micro-chipped before a passport can be issued.

Horses and other equidae must be accompanied by their passport at all times, except when:
 stabled
 at pasture
 moved on foot and where the passport can be retrieved within three hours

Other legislation is contained below relating to the protection of animals during transport.

Transport of Horses & Ponies - Passports & Welfare

The Welfare of Animals (Transport) (England) Order 2006

Council Regulation EC 1/2005 - DEFRA Guidance

Council Regulation EC 1/2005