A range of Consular Services are provided by the Department of Foreign Affairs and its network of Embassies, Consulates and Honorary Consuls.
Details of other Consular Services that can be provided are outlined in “Travel Safely / Slán Abhaile”, the Consular Services Charter of the Department of Foreign Affairs:

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 and may be issued to Irish citizens abroad who apply, to the Irish Diplomtic or Consular Mission nearest to where the applicant normally resides.
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