Compliance in DVCS administration at an enterprise context, what to expect from a transition from a CVCS (Perforce)?

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http://serverfault.com – I work in a big multinational company as a software engineer and I'm currently holding a very nice conversation with IT and other developers with regards to adopting a DVCS (Mercurial and/or Git). One of the issues raised by IT was compliance and intellectual property (BTW, Perforce talks loudly about this and in relation to Git). It seems to me that IT is under the impression that because Mercurial/Git are distributed, having repositories in every developer machine is an out-of-control scenario and they would have to audit every single repository. Another thing that I think is a concern to (HowTos)