You must make clear to all visitors to your website that any information you hold about them will only be used in accordance with your privacy statement. You must also make certain that they are aware that the page will be updated from time to time and that they should check occasionally to make sure they agree with the changes.
You have to let people know just what information you require from them and what you intend on doing with the information they give you, making very clear that it will only be used for record keeping, how to improve your services or products and how you would send the occasionally promotional email or market research. You must also let them know if you would like to contact them by fax or directly by phone.
Most importantly you must tell them that they information is held securely by you at all times. You should let them know how you intend using cookies and how the use of them helps you to analyse data regarding web traffic and how they let you monitor which pages have been found to be useful. Explain how cookies could also allow them to view more on your web pages
Make sure that visitors are aware that once they leave your site by going on a link to another site that you are no longer responsible for any information they may provide to other sites you are linked to.