As I said, the individual will be able to refer to the document they have at home. It is clear that this will be an important document that must be kept in a safe place.
The same recommendation is made for the card or the document. It's always been recommended over the last few years not to carry the social insurance card. Therefore, be it the card or the letter, it's exactly the same thing: it must be kept in a safe place.
People have to ensure that they can find it again. It's clear that there is a risk, but this risk has existed for many years. For years, it's been recommended that people not carry their social insurance card with them. Hopefully, they have been following this recommendation, because it puts their identity at risk.