Possibility of reopening cases concerning proof of retaining Danish citizenship based on a judgment from the European Court of Justice

Based on a judgment handed down by the European Court of Justice on 5 September 2023 in case C-689/21, the Ministry of Immigration and Integration has assessed that it must take into consideration a number of additional elements when processing all applications for proof of retention of Danish citizenship in order to carry out an individual consideration of the consequences in relation to EU-law of the loss of a Danish citizenship and, as a result, the loss of Union citizenship – irrespective of the time when the application was submitted.