European Union Bill

My Lords, as the Minister has touched on this point so clearly, will he make it quite categorical that if a Croatian treaty of accession in the next year or two is brought before Parliament and it contains the provisions on Ireland and the Czech Republic that were agreed as part of the ratification process of Lisbon, in which it was stated, by us as well, that they will be included in a future accession treaty, that will not give rise to a referendum requirement?