Comment how taxes work in Sweden (Score 2) 93
This is how it works in Sweden. Employers and banks report to the tax agency, and once a year you get an overview of what they have got, and a preliminary calculation. If it's correct, just can just sign the paper version and send, or sign with e-id or one time code at the government e-service. There you can also make common deductions (like commuting expenses) before signing, and the tax will be adjusted accordingly.
The tax agency also has guides how to do different kinds deductions. They also has a mostly competent e-mail / phone helpdesk.