EU Citizenship Article 20 TFEU derivative rights (Zambrano-type)

SI-EU-002 EU Citizenship Article 20 TFEU derivative rights (Zambrano-type). supranational. Operationalises CJEU Zambrano (C-34/09 2011-03-08) + Chen (C-200/02) + subsequent derivative-rights jurisprudence in SI context. Doctrinal sibling to SI-EU-001 LTR. Inherits per — Slovenia operates EU citizenship doctrine without ECN signature/ratification. CJEU Rottmann (C-135/08 2010) + Tjebbes (C-221/17 2019) + JY (C-118/20 2022) doctrinal corpus binds SI.

Union citizenship is established by Article 9 TEU ("Every national of a Member State shall be a citizen of the Union. Citizenship of the Union shall be additional to and not replace national citizenship") and operationalised by Article 20 TFEU, which provides that "every person holding the nationality of a Member State shall be a citizen of the Union" and confers four core rights: free movement and residence (Article 21 TFEU), municipal/European-Parliament voting in the Member State of residence (Article 22 TFEU), diplomatic and consular protection by other Member States outside the Union (Article 23 TFEU), and the right to petition the European Parliament, the European Ombudsman, and the Commission (Article 24 TFEU). The catalogue closes with Article 25 TFEU reporting and Article 27 TFEU procedural mechanics.

For Slovenia, the binding entry-point is the Treaty of Accession 2003 (Treaty of Athens), signed 2003-04-16 in Athens and entered into force 2004-05-01, conditional on the deposit of all ratifications by 2004-04-30. Slovenia ratified 2004-03-12. The Treaty was published in the Official Journal of the European Union L 236, 23 September 2003, pages 17-930. From 2004-05-01 onwards, every person holding Slovenian nationality (državljanstvo Republike Slovenije) under ZDRS is automatically a citizen of the Union. The autochthonous-citizenship rule is set out in Declaration No. 2 on nationality of a Member State annexed to the Maastricht Treaty: "the question whether an individual possesses the nationality of a Member State shall be settled solely by reference to the national law of the Member State…

1. — TEU consolidated post-Lisbon (CELEX 12012M/TXT); Article 9 — citizenship of the Union additional to national citizenship.

2. — TFEU consolidated post-Lisbon (CELEX 12012E/TXT); Articles 20-25 — Union-citizenship framework: definition (20); free movement (21); voting (22); diplomatic protection (23); petition (24); reports (25).

3. — Treaty of Accession 2003 (Treaty of Athens); signed 2003-04-16; EIF 2004-05-01; OJ L 236, 23.9.2003, p. 17-930. Slovenia's binding to TEU/TFEU.

4. — CJEU C-135/08 Rottmann v Freistaat Bayern (Grand Chamber, 2010-03-02); proportionality on naturalisation withdrawal producing statelessness.

5. — CJEU C-221/17 Tjebbes and Others (Grand Chamber, 2019-03-12), paragraphs 20 + 48; ex lege loss proportionality + ex tunc recovery doctrine.

6. — CJEU C-118/20 JY v Wiener Landesregierung (Grand Chamber, 2022-01-18); revocation-of-naturalisation-assurance proportionality.

Note: CJEU C-34/09 Ruiz Zambrano (Grand Chamber, 2011-03-08) — substance-of-rights doctrine — is not separately catalogued in the current Master Sources Register but is cited analytically throughout this route doc as the doctrinal anchor for the substance-of-rights framework. A Phase 7B housekeeping action should add Ruiz Zambrano as to formalise the citation. The decision is…