Marriage in Denmark
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information - Brunei
Bulgaria is member of the Hague Convention (Hague convention abolishing the requirement of legalisation for foreign public documents, concluded October 5, 1961). The form of authetication of documents from Bulgaria for the use in Denmark is the apostille by the authorities in Bulgaria.
Danish civil registries don't require any authentication for documents issued in the EU.
For the use of the danish marriage certificate in Bulgaria, it is necessary the apostille by the danish authorities.
Wedding in Denmark