What proof(s) does a business or lender need to submit to a credit bureau when reporting a delinquency?

It seems to me that consumers do not get informed and offered a chance to challenge any information before a business/lender reports him in delinquency to a credit bureau. So, how does a consumer prevents false/inaccurate report from entering his credit record in the first place? It is more important to stop false/inaccurate information from [...] http://bit.ly/o6bTN6