If you are planning to marry in Denmark you need to follow the guidelines listed below.
According to the Danish Marriage Act of 1969, and rules prescribed by the Danish Ministry of Justice, the following documents and declaration are required in order to be married in Denmark:
The above declarations are all contained in a form which may be obtained at the Marriage Office/"Bryllupskontoret", City Hall, Raadhuspladsen, DK-1599 Copenhagen V, Denmark, phone +45 33 66 23 34. "Bryllupskontoret" in the city where the marriage is to take place, will furnish additional information as may be needed.
Both parties are personally to sign their own form. One party cannot sign on behalf of the other, not even under a power of attorney. It is emphasized in the form that anyone making a false statement, or concealing a material fact in connection with the completion of the form is subject to the penalties prescribed in the Danish Penal Code for such an offence, ranging from a fine to 4 months’ imprisonment.