The experience in implementing those guarantees has shown that it is necessary to clarify that the movement of pigs between Member States or regions thereof, which are free of Aujeszky’s disease and where vaccination is prohibited and which are listed in Annex I to Decision 2008/185/EC, does not require any additional guarantees.
http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2009:073:0022:0022:EN:PDF