ANS and ASX, page-9

Cross that bridge, if/when it happens.
As a CommSec client, I know that you can trade on overseas exchanges, but it's via the phone to a CommSec broker on the International Trading Desk.
Read as: bend over with fees.

https://www.commsec.com.au/products/international-share-trading.html

Your own trading platform may offer a similar service.

It would make sense to re-list on the ASX because of the familiarity the Board has with it.
Perhaps consolidate, THEN if the circumstance dictate, re-list or dual-list with somewhere else.

This is exactly what happened with Avita Medical (ASX: AVH) which I also hold.

Far too early to dream or speculate though.