[kelnos]

This type of -- understandable -- confusion comes up every time there's a discussion about the American tax system.

The IRS already has all the same information that your country's tax authorities have. Employers, banks, investment firms, etc. are all required to report these sorts of income to the IRS.

Unfortunately, companies like Intuit (and other tax-prep juggernauts) have lobbied to bar the IRS from making it easier for people to do their taxes. And they've convinced a disturbing number of US citizens that this is right and correct, because if taxes were streamlined and easy to do, that sneaky, evil government would slip through even more taxes, and no one would even notice. Somehow, enough people buy this nonsense that nothing changes.