Companies approached by the eSafety commissioner this month about the requirement to prevent under 16s from holding social media accounts from 10 December have conducted a self-assessment that the commissioner will use to decide if they need to comply with the ban.
eSafety will not be formally declaring which service meets the criteria but companies that eSafety believes meet the criteria will be expected to comply.
You could go further than that… Mandate that all new devices and app stores must have a parental lockout available out of the box
Then when you get your kid a phone or computer, you just set up the permissions. This already exists to a large extent, this would just standardize it all to turn it into a usable system