I feel the "subject matter to" is exactly what's generally known as a 'weasel clause'. It is possible to in essence put anything you would like there...a great deal of people will involve some thing like "subject matter to favorable funding" or "topic to small business partner's acceptance" to provide http://molbiol.ru/forums/index.php?showtopic=928457&st=950&p=6086991#entry6086991