Luke, looking at your posting history do I have this right? You flew the A320 in the UK and then went to the Middle East, got a A330 rating and are currently flying the A330 in Vietnam?
Do you also currently fly the A320, or are you saying that your A330 time should keep your A320 rating current?
Admittedly, I don't fly Airbus but I understand the A330 and A320 to be distinct and seperate ratings, albeit with a shorter conversion course between the two types.
If you're current on the A320 the new EASA rules shouldn't affect you, if you are not current on the A320, well...