Allow me to add that, under the Investment Canada Act, a transaction may be subject to review if it is above a certain threshold. In that case, the net benefit review threshold under the act is based on the book value of the assets concerned by the transaction in question. The regulations under the act clearly state that value is determined on the basis of the book value of the assets.
Evidence of meeting #32 for Industry, Science and Technology in the 40th Parliament, 2nd session. (The original version is on Parliament’s site, as are the minutes.) The winning word was nortel.
A recording is available from Parliament.