A range of Consular Services are provided by the Department of Foreign Affairs and its network of Embassies, Consulates and Honorary Consuls.

The Department of Foreign Affairs can authenticate documents executed in Ireland that are to be used in other countries. Irish Diplomatic and Consular Missions abroad can legalise documents executed abroad for use in Ireland.
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Certificats de Coutume may be issued to Irish citizens abroad who apply, to the Irish Diplomatic or Consular Mission nearest to where the applicant normally resides.
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