Patrick O'Donovan (Limerick County, Fine Gael) | Oireachtas source

That would be the net result of the Deputies' amendment. This amendment would provide a legal basis for a person to opt out of providing the very basic information which is called the public service identity. In fairness I understand the Deputies' concern. However, the net result of their amendment would be a collapse in most of our public services, including the provision of the one identity they suggest we could use, the Passport Service.

See this speech in context