I don't think lawmakers should describe HOW things are done necessarily. Here it's enough to say that "unless you can be 100% sure your user is above age X, the

I don't think lawmakers should describe HOW things are done necessarily. Here it's enough to say that "unless you can be 100% sure your user is above age X, then you can't provide them service Y or feature Z". It might not even be the desired outcome to have identification, the better outcome could be to have feature Z stripped for all users (for example video feeds based on past watching behavior).