I feel the "subject matter to" is exactly what's known as a 'weasel clause'. You'll be able to primarily put anything at all you need there...a good deal of people will incorporate a little something like "topic to favorable funding" or "issue to business partner's acceptance" to present them selves https://www.bloggang.com/viewdiary.php?id=checkpricdf&month=04-2020&date=19&group=1&gblog=494