Non-EEA after Divorce

Hello,
Here is my situation i was married to an eu national.
Got married june 2004
resident card issued 2006
divorce initiated january 2010
when can i apply for confirmation of permanent resident and what document do i need if i want to apply under the retention of rights of residence.
This are the documents i have at the moment:
Bills for me and ex upto date
my employment history upto date

for ex:
work history and payslips from 2004-2006
she stops working full time and doing a 2 hrs cash in hand job in a saloon who is ready to give me a letter from june 2006 till oct.2009 but i am worried about the no records of tax during that time because i am not sure if the saloon puts her on their books properly
full comprehensive health insurance valid from last year till end of 2010
inland revenue letter of ex- spouse self-employment since nov.2009 till date
inland revenue national insurance contribution bill for nov.2009 till date as self employed.

And if i want to apply based on that she is self sufficient between 2007 and 2009 what documents do i need.