Right.
In terms of the updating of information, I guess you could hypothetically have two Bob Smiths born in Toronto on the same day, or whatever the case is. There's no other unique identifier. Is there a system for...?
I'm thinking about the provinces. This is the largest unique identifier system or database in the country. Are there similar systems? What would be the next biggest system that you could use to compare information with your system to find out whether there are inconsistencies in the data?