Presuming TFP behaves like a normal alliance, as a normal member, you would not see or know anything about these sheets until very shortly before you declared war. Alliances don't just tell their general membership 'oh, we are creating sheets to declare war on XYZ next Tuesday'
Not too interested in relitigating the previous conflict given the facts that have come out more or less confirm what Quack believed; but that's just an observation that might be relevant.