Factbox - EU's Tusk offers reform package to Britain's Cameron

The head of the European Council, Donald Tusk, unveiled on Tuesday a draft reform package to help keep Britain in the EU following meetings between Prime Minister David Cameron and top EU officials. The following are key points of the proposal that will be discussed by EU envoys on Friday and which could form the basis of a deal with Britain at a summit on Feb 18-19. In anticipation of difficulties, no time limit has been set for the talks on the second day of the EU summit on Feb. 19.