Right, here it comes:-
All this can be made much easier by using one of the many available software tools - called P3P policy editors - to do the work for you. These tools include standard data types and categories that can be quickly dropped into the policy and by providing error-checking to help locate required elements that are missing from the policy.
Some policy editors are pretty expensive (IBM's is around $500) but there are much cheaper alternatives -
click here to see one that comes your way for around $29
Post back here if you need more help with specific aspects of this - it can be a little confusing at first sight.