The more relevant aspect, I think, is that there's an essential/non-essential distinction in the law, which differs from 1st-party/3rd-party.
> Cookie Pal includes the following features:
> Automatically and transparently accepts or rejects cookies from all or specified servers without user interaction.
> Cookies received from unspecified servers can be automatically accepted or rejected without user interaction, or the user can be asked for confirmation.
> "On the fly" adding of servers to the accept from and reject from lists, allows you to manually accept or reject a cookie the first time it is received and then have it automatically accepted or rejected every time it is received thereafter.
[0] https://web.archive.org/web/19971012223847/http://www.kburra...
[1] https://web.archive.org/web/20010331050614/http://www.kburra...
Did Netscape 3.0 have per-site options to enable cookies and specifically allow/block third party cookies?
If so, that’s impressive.