For a transitional period until 30 June 2012, consignments of live ungulates accompanied by a certificate issued before the date of entry into force of this Regulation in accordance with the models BOV-X, BOV-Y, OVI-X, OVI-Y or RUM set out in Part 2 of Annex I to Regulation (EU) No 206/2010 before the amendments introduced by this Regulation may continue to be introduced into the Union.