Tax regulations for workers posted to Denmark
If you are posted to Denmark and your employers got a permanent establishment in Denmark you probably need to pay income tax and apply for a Danish tax card and personal tax number.
If you are posted to Denmark and your employers got a permanent establishment in Denmark, you have to apply for a personal tax number and a Danish tax card, no matter how long you intend to stay in Denmark. The same rule applies if you establish a business in Denmark.
If you plan to work and live in Denmark for more than 3 months, you need to apply for a CPR number (civil reg. no.) at the Danish National Register (Folkeregisteret). If you stay in Denmark for more than 6 months, you are considered to be fully tax liable to Denmark from the first day of your stay.
E-tax (in Danish 'TastSelv') is Skattestyrelsen's online self-service system.
In E-tax you can change your preliminary income assessment and tax assessment notice and file your tax returns.
You will also find the tax information that Skattestyrelsen holds about you, and which is used to calculate your tax.
This is information that Skattestyrelsen has received from your employer and bank.
You do not have to be familiar with all the Danish tax regulations, but it is your duty to stay informed and make sure the information Skattestyrelsen holds about you are correct. This means that you should know the basics about tax in Denmark, and you should check:
This publication is an introduction to the Danish tax system intended for newcomers to Denmark and non-Danish speakers who are not yet familiar with the system. Published in 2018.
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