I only see people under 18 years of age when accompanied by a parent, guardian, official or carer.
I have a current Government issued Blue Card (which is subject to a security clearance) and can thus legally work with minors, however I have a number of reasons why I have decided not to continue seeing people below the age of 18, unless accompanied.
My Positive Notice Blue Card can be verified here:
Name: Leon Aleksander Raven Rowan
Card Number 556592/5
Expiry 27 Sep 2016