European Union Bill

If one is talking about declarations or derogations within existing treaties and competences, that would not give rise to a referendum. If it was an occasion on which a whole range of new proposals were put forward, including some of those which noble Lords describe as minor or even trivial but which could in fact have highly significant effects on the powers, potentials, freedoms and obligations of this country, that would be a different matter. The kind of changes suggested by the noble Lord would not give rise to a referendum. In line with all other treaty changes, an Act of Parliament would—