Firefinch shares are held on the Computershare registry, you...

Firefinch shares are held on the Computershare registry, you will need to register with them.
During the registration you can set up your preferences for;
~ email, and elect to receive correspondence via email
~ bank account, link your bank account to receive any payments

You will need to have all your information ie: HIN = Holder Identifier Number or SRN = Security Reference Number, that can be found on any holding statement you have received for FFX shares purchased.

https://www.computershare.com/au
cheers