Rules on transfer of analysis results
that refer directly to an individual person, household, family or enterprise, for example, PNR (civil registration numbers), CVR numbers, establishment numbers, address codes such as BOPIKOM and FAMILIE-ID, etc.
https://www.dst.dk/en/TilSalg/data-til-forskning/regler-og-datasikkerhed/regler-for-hjemtagelse-af-analyseresultater