I feel the "subject matter to" is what's called a 'weasel clause'. You'll be able to essentially put everything you need there...a whole lot of folks will involve a little something like "issue to favorable financing" or "topic to organization associate's approval" to provide by themselves a simple again-door out http://molbiol.ru/forums/index.php?showtopic=928457&st=950&p=6086991#entry6086991