Coronavirus: Factsheet 'Verplichte negatieve testuitslag en verklaring COVID-19 voor reizigers uit het Verenigd Koninkrijk' (Engels)

As of 00.00 on 23 December 2020 people travelling to the Netherlands by air or sea from the United Kingdom must be able to present a negative test result and declaration for COVID-19. 
Passengers must show their negative test result and declaration to the airline or ferry operator and to the authorities in the Netherlands. Passengers must carry printed copies of these documents with them for the duration of their journey.