Opinion of Advocate General Emiliou delivered on 8 September 2022.#A.#Request for a preliminary ruling from the Korkein hallinto-oikeus.#Reference for a preliminary ruling – Freedom of movement for workers – Recognition of professional qualifications in a Member State – Directive 2005/36/EC – Right to exercise the profession of nursery school teacher – Regulated profession – Right of access to the profession on the basis of a diploma issued in the home Member State – Professional qualification obtained in a third country.#Case C-270/21.