Leosghost - 10:18 pm on Jun 11, 2012 (gmt 0)
But that is the "what you did"..the "why" doesn't make any sense..given what we all know of adsense and how a step wrong, can be fatal..
Whereas there are many ways to test what adsense gets served to a new site or a "dev" site that don't involve using live code that already belongs to another publisher ( I have to ask ..it was your own publisher ID and not that of another client I hope ? , because this part of your OP
we used the banner tags of an existing account we had access
rather reads like it wasn't your own publisher code, but that it belonged to someone else, like a client of yours ?)..if the latter you could have jeopardised their account also..
If it was your own publisher code, maybe if you have one of the adsense roadshows near you.. you could go and hope to get the sympathetic ear of a rep..