For a transitional period until 28 March 2017, Member States shall continue to authorise the introduction into the Union of consignments of the commodities covered by the model veterinary certificate for meat of poultry (POU) and the model veterinary certificate for egg products (EP), as set out in Part 2 of Annex I to Regulation (EC) No 798/2008, in their versions before the amendments made to those models by this Regulation, provided that they were signed before 28 February 2017.