http://scilib.typepad.com/science_library_pad/2008/07/mandatory-ir-de.html
From an internal email (with permission)
[The NRC Senior Executive Committee] SEC has established a policy
making it mandatory, starting in January 2009, for NRC institutes
to deposit copies of all peer-reviewed publications (articles,
proceedings, books, book chapters) and technical reports in [the
forthcoming NRC Institutional Repository, to be called] NPArC. The
SEC has also approved an update to NRC Form 22 Licence to Publish
(Crown Copyright) that will explicitly state NRC's intention to
deposit these publications in NPArC.