Judgment of the Court (Second Chamber) of 11 December 2025.#I. J. v VĮ Registrų centras.#Request for a preliminary ruling from the Lietuvos vyriausiasis administracinis teismas.#Reference for a preliminary ruling – Citizenship of the Union – Article 21(1) TFEU – Right to move and reside freely within the territory of the Member States – Requirements for registration in the national register of a marriage contract concluded in a Member State other than the Member State of registration – Inclusion of the personal identification number of at least one of the two spouses – Restriction – Justification – Accuracy and authenticity of the information contained in the national register – Proportionality.#Case C-789/23.