http://alac.icann.org/whois/whois_fi...cy-20feb03.htm
This is an excerpt from the above report stating they can pull accounts for fraudulent whois information.
Both observations together lead to the common conclusion that the Task Force's recommendations can only be first steps towards a future WHOIS policy environment. That future WHOIS policy environment will have to be designed with a renewed focus on enforceability. In particular, this implies that the future policy environment will have to directly address major issues left open at this point of time - such as registrants' privacy. Relying upon non-enforcement of policy instead is not an option.
Read the last part again for those who don't understand:
Relying upon non-enforcement of policy instead is not an option.