People with this particular allow are permitted to work in the Netherlands with no limitations. This means that no work allow (in Dutch: tewerkstellingsvergunning or TWV) is necessary.  Post 50: residence document for folks or members of the family of individuals with the nationality of the United Kingdom who fall https://www.ecom-group.com/training-events/sap-successfactors-employee-central-core-training-thr81/