Shane Ross (Dublin Rathdown, Independent) | Oireachtas source

Yes, it will be mandatory for people to carry these cards if they are going into another jurisdiction and they may be asked for them. We do know that.

There are 400,000 green cards being printed, which is an extraordinarily large number. The insurance companies are going to carry out a campaign to let people know how to get them on demand. They will advertise and will make sure in every possible way that people know exactly what their rights are under this.