IFATCA Policy is:

There should be close cooperation between Approved Training Organisations (ATOs) and ATC units for which training is performed.

Current validated OJTIs should assist at an ATO whenever possible during simulation and theoretical training.

Instructors working at an ATO shall be able to update their knowledge regularly in operational units.

An exchange of information on the performance of students should be maintained between the ATO and ATC unit.

All controllers shall be trained in accordance with ICAO requirements.

All controllers shall be licensed and shall hold ATC ratings appropriate to the duties they are undertaking.