—the real barrier to that is whether you have to expropriate the private company that's doing the contract in the meantime. If you wait for the end of a contract, or if you provide payment on expropriation—which would not necessarily be a requirement of CETA, but there are domestic laws around this too—then there are implications. There is otherwise nothing preventing its being brought back into the public sector.
On November 15th, 2016. See this statement in context.