If you would like to have an approved instructor in aviation security recertified, you can apply to your aviation security authority via the airport operator.
Do you wish to apply for certification as a trainer in the field of aviation security? Then you can apply for this through the airport operator at your aviation security authority.
Do you want to have access control personnel and staff responsible for surveillance and patrols in the aviation security area certified? Here you can find out where and how to apply.