If the situation escalates that date will be reassessed and the goalposts moved again.
France has a second ship due for delivery in 2015 which means protracted sanctions could hit the country's economy hard.
Sanctions make countries re-evaluate their trading partners and look to pastures new. Trouble is traditional markets have vanished and the EU is still struggling to fund heavy bureaucracy and crumbling economies.
If you were an out and out cynic you could almost believe it is all the master plan of the USA to ensure world dominance.
But all super powers have their day. The fall of the Roman Empire remains a lesson to all.
Related at TEK
Russia announces food sanctions in retaliation
More EU sanctions against Russia are self-defeating