s.21 Renunciation / Declaration of Alienage (+ s.19(1)(c) 7-year lapse)

Cumulative s.21(1) conditions: (1) be an Irish citizen of full age (post-1986 text; the 'married woman under that age' limb is repealed). (2) Be, or be about to become, a citizen of another country, and 'for that reason' desire to renounce — renunciation is available only where the renouncer holds or is acquiring an alternative nationality, so Irish law does not create statelessness via this route, consistent with the 1954/1961 Conventions (accession 17 Dec 1962 / 18 Jan 1973). (3) Be ordinarily resident outside the State at lodgment — the decisive territorial gate; an Irish citizen resident in the State cannot renounce under s.21. (4) Not be barred by the s.21(2) war-time restriction (Art 28.3.3), which requires the Minister's consent during a time of war. Distinct involuntary analogue: a naturalised citizen ordinarily resident abroad 7 continuous years (other than in public service) without lodging the annual retention declaration is exposed to discretionary revocation under s.19(1)(c); certificates granted on the basis of Irish descent or Irish associations are expressly excepted from that ground. Territorial precision (F55): the 7-year period is measured 'resident outside the State' for an ordinary s.15 certificate, but 'resident outside the island of Ireland' for a s.15A spouse/civil-partner certificate (Act 18/2023), mirroring the s.15A territorial unit.

Renunciation (s.21): the renouncer, being ordinarily resident outside the State, lodges a declaration of alienage with the Minister 'in the prescribed manner'. Prescribing instruments are S.I. 567/2002 reg.14 and schedule, and the persons empowered plus prescribed Form 13 under S.I. 569/2011 regs.1(2),12,14. Citizenship ceases on lodgment of the declaration of alienage (or on the renouncer becoming a citizen of the other country, where that follows). Because the renouncer must be outside the State, declarations are in practice taken before Irish diplomatic/consular officers or other empowered persons abroad. There is no Ministerial discretion to refuse a properly-made renunciation meeting the s.21(1) conditions (subject to the s.21(2) war-time consent requirement). Involuntary lapse (s.19(1)(c)): the rebuilt s.19(1A)-(1P) procedure applies (inserted by Act 30/2024 s.3(b), in force 7 April 2025, S.I. 121/2025; forms S.I. 122/2025): notice with reasons, 28-day written representations (s.19(1C)), Ministerial decision, 14-day right to request an inquiry (s.19(1F)) before an independent Committee of Inquiry (retired senior judge chair + 2 members), affirm/set aside, with publication of any revocation in Iris Oifigiuil (s.19(6)). This replaced the s.19(2),(3) subsections struck in Damache [2021] IESC 6.

Voluntary cessation mechanism in Part IV (Loss of Citizenship) of INCA 1956 (No.26 of 1956). Operative core is s.21(1): an Irish citizen may renounce by lodging a declaration of alienage. The currently operative s.21(1) text was substituted by INCA 1986 (23/1986) s.7, in force 1 July 1986; post-1986 wording is 'an Irish citizen of full age' (the 1956 'married woman under that age' limb is repealed and must NOT be quoted, per VC-IE-revocation_renunciation_ahr-03). War-time restriction at s.21(2): no renunciation in a time of war per Constitution Art 28.3.3, except with the Minister's consent. Paired with the involuntary-cessation analogue s.19(1)(c) (revocation of a naturalised citizen ordinarily resident abroad 7 continuous years without annual retention registration). Re-acquisition for island-of-Ireland-born renouncers is via s.6(5) (IE-RST-01). Constitutional delegation foundation: Art 9.1.2 ('future acquisition and loss... in accordance with law'). Ireland's permissive dual nationality (which makes renunciation a choice, not an automatic consequence of acquiring another nationality) rests on the ETS 043 Chapter-II-only Art 7.1 election; Ireland never applied Chapter I and did not denounce it. No phantom Acts (no INCA 2019, no standalone INCA 2024).

The decision-maker for renunciation and revocation is the Minister for Justice, with functions transferred from the Minister for Foreign Affairs by S.I. 418/2011 and administered through Immigration Service Delivery (ISD). The declaration of alienage is lodged 'with the Minister' (s.21(1)); declarations made abroad are taken by Irish diplomatic and consular officers or other persons empowered under S.I. 569/2011. The Department of Foreign Affairs (DFA) administers the Foreign Births Register and passport functions but is NOT the renunciation decision-maker — do not normalise the two authorities into one. For the involuntary s.19(1)(c) revocation analogue, the independent Committee of Inquiry (chaired by a retired Circuit/High/Court of Appeal/Supreme Court judge plus two ordinary members) is the impartial adjudicative body required post-Damache (s.19(1G)-(1I)); the Minister retains the initiating and final-decision roles subject to that Committee. Notice of any revocation is published in Iris Oifigiuil (s.19(6)). There is no statutory appeal against a naturalisation/revocation outcome; challenge is by judicial review in the High Court, with the Mallak reasons-duty enforced via JR.