Mr. Speaker, there has been no change of policy or practice. It is not uncommon at all to see governments use various terms. A quick search of the various Internet sources show at least 109 references used by the Liberals. As a matter of fact, a term was used by the leader of the former government, a term that was endorsed by the clerk of the Privy Council, Mr. Mel Cappe, and also the president of the Privy Council.
In the House of Commons on March 7th, 2011. See this statement in context.