Sure. The Atlantic investment tax credit is available for activities in the Atlantic provinces. This particular measure, the phase-out as it applies to oil and gas and mining, represents further action by the government with respect to the G-20 commitment to phase out inefficient fossil fuel subsidies. The action is being taken to level the playing field for those industries and to remove inefficient fossil fuel subsidies, rather than focusing particularly on the Atlantic provinces.
On November 1st, 2012. See this statement in context.