Something like this, perhaps?
Having not read all of the different laws from all of the different countries, I am not sure to what extent this satisfies the legal requirement, but I think it is a step in the right direction. Thoughts?This board uses cookies to store session data and to improve your user experience. Your continued use of this board grants permission for such cookies to be stored on your computer. Cookies created by this board can be cleared at any time by clicking "Delete all board cookies" in the board footer. If you do not wish to allow websites to place cookies on your computer, you may disable them in your web browser. Cookies placed by this board are not used for tracking your web browsing habits or any other malicious purpose. To hide this message, click the X (hiding this uses a cookie as well).