Here's the UK government page on pets and pet passports. http://www.defra.gov.uk/animalh/quarantine/index.htm

Evidently there is a delay in implementing EC Regulation 998/2003 on non-commercial movement of pets: the European Commission (EC) in Brussels has decided that the implementation date of this Regulation will be put back from 3 July 2004 to 1 October 2004.

Site contains links to more information.

Frances Toronto, Canada