No. I have been informed that the date was agreed to by the Government of Quebec. However, I have to tell you that since then, the Government of Quebec and the other parties in the National Assembly have changed their minds and supported a resolution asking for the deadlines to be extended. So in spite of that initial intention, one of the seems to have changed its original position, since it agreed to a resolution in the National Assembly calling for an extension of the deadlines.
On October 21st, 2010. See this statement in context.