Mr Cameron will hope to win agreement at a summit in Brussels later this month, for the deal published by the European Council.
It includes some possible limits to benefits for migrants, and exempts Britain from the principle of 'ever closer union'.
If EU member states agree to the proposals, Mr Cameron is then expected to hold an in-out referendum on Britain's membership as early as June.
The Prime Minister says it's a real opportunity.
IN: "The chance…
OUT: …both worlds."
DUR: 30 seconds
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ALT:
The Prime Minister says he's had four key wishes.
IN: "We want…
OUT: …migration."
DUR: 14 seconds
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