On 15th July 1996 the divorce is finalized in the High Court.
The divorce papers which Diana signed with some reluctance were an oppressive contract.

Diana's Duties

According to the contract she has to have the agreement of the Queen for every activity which was in the public eye.
She is not allowed to move abroad.

She has to have the acceptance of the Queen and the government for all trips, even those with charitable purposes.
She must let the Palace check all new activities, even charitable ones.
Diana was more constrained than ever before, and added to this, had lost many privileges. 
She was not a Royal Highness any more, theoretically she would have to formally curtsey before Charles, her own sons, even before distant relatives. 
She was not allowed to represent England abroad any more. She didn't receive public money for her work any more.
She had to clear her desk in St. James' Palace.
And on events of national importance she would only be able to take part with the express invitation of the Palace.

What Charles and his family gave Diana

Diana received a settlement of around £33 million.She was allowed to keep her jewellery, including personal gifts to Diana.
She remained the bearer of the three Orders which Queen Elizabeth had lent her.
Her office where she organised her charitable work was supported by £300,000 yearly.
She is allowed to remain living in Kensington Palace until William and Henry come of age.
The custody of the children is shared by both parents , as is common in England. 
Besides this, Diana was allowed to keep using the title "Princess of Wales".