Please send an email to Validation [dot] Support [at] easa [dot] europa [dot] eu. We will investigate and confirm if you need to apply for Category 1 or Category 2:
“Forwarding Letter only”: For third countries that have neither a Bilateral Agreement nor a Working Arrangement with EASA in place.
“Full EASA Validation Support”: For third countries that have a Bilateral Agreement and/or Working Arrangement with EASA in place, i.e. USA, Canada, Brazil, China, Japan, and Russia.