The trial, run by the UK-based Age Check Certification Scheme (ACCS), tested face-scanning age estimation and document-based verification. Improvement of all age assurance tools, including classifiers and facial age estimation require consistent training and retraining to ensure improvement and accuracy. “In fact, the Social Media Minimum Age legislation specifically prohibits platforms from compelling Australians to use government ID to prove their age online. “This is particularly relevant where age assurance methods are based on machine learning or involve automated decision making”. From December, platforms including TikTok, Instagram and Snapchat will be required to block under-16s, deactivate existing accounts, and prevent re-registration.