For a transitional period until 15 August 2013, consignments, including those transported on the high seas, originating in Mexico, containing meat products and treated stomachs, bladders and intestines for human consumption obtained from poultry, farmed feathered game and wild game birds which have undergone the specific treatment D set out Part 4 of Annex II to Decision 2007/777/EC may be imported into or transit through the Union provided that they are accompanied by the relevant certificate completed and signed before 17 May 2013.