Subject to their having satisfactorily completed their periods of supervised clinical practice and obtaining full registration with An Bard Altranais, nurses who hold working visas and who wish to continue to work and reside in Ireland and to depart from and return to the state may obtain from the visa office of the Department of Foreign Affairs new Working Visa for multiple re-entry valid for further 21 months OR alternatively they can apply for permission to work and stay in Ireland at any office of a Superintendent of the-Garda Siochana (in the case of persons residing outside Dublin) or at Garda National Immigration Bureau, Harcourt St. Dublin 2 (Tel. 6663033; Fax 6663042). The period for which such permission may normally be extended will be for 21 months and thereafter two years at a time, provided the conditions of the scheme continue to be fulfilled.