[Ekaros]

Some take it even further. Inaction is considered approval. So you do not even need to confirm anything at all. You are likely to get tax return on your account automatically. Or a bill send at you. Or you can update details if needed.

Still, you have some years to ask for correction even after that, but as usual it is somewhat more complicated.

[maccard]

It's not even that hard if you have a discrepancy. Here in the UK, if you end up with a discrepancy (starting. Anew job, or benefits changes) and it's wrong, 98% of the time a single phone call will resolve the issue.