My pension was suspended because I never returned the form because I never received it. I just phoned them up and they said no problem we can do it over the phone. 😀 Pension paid again within 3 days.
Cambodia is simple,complete the form you get sent a qr code to show at immigration if they ask. Been through Cambodian customs about 5 times and only been asked once, it comes up on the officers screen if you have a code anyway.
if you don't fill in the information you won't get an email to confirm.no email just get sent out of the queue to get it completed. It is not difficult if you live there you have an address, if you're on holiday you have a hotel address.