In technical terms, no, there is no reason why they couldn't have done it. There are a variety of other reasons why they may have stuck to the way it was.
On December 1st, 2010. See this statement in context.
On December 1st, 2010. See this statement in context.
Director of Research, G-8 and G-20 Groups, University of Toronto, Munk School of Global Affairs
In technical terms, no, there is no reason why they couldn't have done it. There are a variety of other reasons why they may have stuck to the way it was.
See context to find out what was said next.