Today there are only four (4) members known to be under-aged (and he has likely just misentered the birth date).
But there are another 47 (paid up) members who have not entered their birth dates of which 2 are known to be under-aged. Reaching out to these to get the details is part of T194017: Send out call for giving consent in Zynatic.
Once the data is in we need to reach out to the under-aged members to get parental consent in accordance with T189098: Create routine for ensuring parental consent for underaged members
- Send out request for consent
 Expunge data where consent is missing (once deadline has expired)