Opinion of Advocate General Campos Sánchez-Bordona delivered on 23 March 2023.#OP v Notariusz Justyna Gawlica.#Request for a preliminary ruling from the Sąd Okręgowy w Opolu.#Reference for a preliminary ruling – Judicial cooperation in civil matters – National law applicable in matters of succession – Regulation (EU) No 650/2012 – Article 22 – Choice-of-law clause – Scope ratione personae – Third-country national – Article 75 – Relationship with existing international conventions – Bilateral agreement between the Republic of Poland and Ukraine.#Case C-21/22.