This looks very similar to P3P protocol. It required that that each website announces its privacy-related TOS in machine-readable format, and it is your browser

This looks very similar to P3P protocol. It required that that each website announces its privacy-related TOS in machine-readable format, and it is your browser which compares announced settings to your personal preferences, and refuses the service if they do not match. > P3P will compare what personal information the user is willing to release, and what information the server wants to get – if the two do not match, P3P will inform the user and ask if he/she is willing to proceed to the site https://en.wikipedia.org/wiki/P3P https://en.wikipedia.org/wiki/P3P