Well, I have the convention here in front of me, and as I said, the articles that pertain to this discussion are articles 7 and 8. Probably more important is article 8, which deals with revocation of citizenship by the state, because in article 8 there are certain exceptions specifically motivated by fraud, misrepresentation, and also acts against loyalty to the state.
On March 26th, 2013. See this statement in context.