IFATCA Policy is:

Comprehensive initial and refresher ACAS training should be provided and should consist of:

1.  Definition of ACAS;
2. Technical description and cockpit displays;
3. Pilot reactions to Traffic Advisories and Resolution Advisories;
4. Controller reactions and legal responsibilities;
5. Phraseologies;
6. Experience of simulated ACAS events in an aircraft simulator or on video.