Originally Posted by
Stranger
It would appear they gave you the wrong form, but indeed you may qualify for compensation under EU regulations. That is, if you arrived at your final destination with a delay over four hours. EU regulations apply (1) to EU-based airlines and (2) to all flights from the EU. So they do appply here. You should send your request to AC. Mentioning the EU law and the specific rule.
What are the relevant specific EU law and specific rule? I searched online and it seems that there is only EU261/2004, which is the one shown on the form.