I believe the "matter to" is exactly what's called a 'weasel clause'. You can effectively set anything at all you wish there...a whole lot of people will include things like a little something like "subject to favorable financing" or "subject to company husband or wife's approval" to offer by themselves https://www.bloggang.com/viewdiary.php?id=checkpricdf&month=04-2020&date=19&group=1&gblog=494