(en) The Helsinki Treaty - Treaty of Co-operation between Denmark, Finland, Iceland, Norway and Sweden. The Nordic Council and the Nordic Council of Ministers (25 september 2018). Gearchiveerd op 7 december 2023. Geraadpleegd op 6 december 2023. “Article 34 - Public Officials in the Foreign Services of any of the High Contracting Parties who are serving outside the Nordic countries shall, to the extent that it is compatible with their duties and when no objection is lodged by the country in which they are serving, also be of assistance to citizens of the other Nordic countries, should the latter not be represented in the territory concerned.”
(en) The Helsinki Treaty - Treaty of Co-operation between Denmark, Finland, Iceland, Norway and Sweden. The Nordic Council and the Nordic Council of Ministers (25 september 2018). Gearchiveerd op 7 december 2023. Geraadpleegd op 6 december 2023. “Article 34 - Public Officials in the Foreign Services of any of the High Contracting Parties who are serving outside the Nordic countries shall, to the extent that it is compatible with their duties and when no objection is lodged by the country in which they are serving, also be of assistance to citizens of the other Nordic countries, should the latter not be represented in the territory concerned.”