The actor most likely to make mistakes is the one reporting the numbers in the first place, i.e. the employer. And yes they would be held accountable for that j

The actor most likely to make mistakes is the one reporting the numbers in the first place, i.e. the employer. And yes they would be held accountable for that just as the government, could you show that the numbers your employer reported is not what shows up on your tax report. This is how it’s like in many European countries and it pretty much just works.