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Reusing the same unique identifier another user or business had almost always causes problems.

If special access was given to one entity, often that special access remains after the new entity takes over.

Often times the new entity gets access to private data of the old entity.

It makes record keeping difficult to know who was what entity at any given time.

If you haven’t seen the problems caused by doing this, consider yourself lucky for working for institutions that aren’t so careless.



If you are from the US, I have bad news for you about SSNs. :D


No, but I would assume that SSNs are not re-used.

Is this not the case?


Well, I was certainly told that was the what happened once. Quickly trying to verify that now, I am finding the opposite on their site.

So, maybe I have good news about SSN values! :D




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