Judgment of the Court (Fourth Chamber) of 5 March 2026.#A v Rikoskomisario B.#Reference for a preliminary ruling – Immigration policy – Common standards and procedures for returning illegally staying third-country nationals – Directive 2008/115/EC – Detention for the purpose of removal – Article 15(5) and (6) – Calculation of the length of the detention already completed – Aggregation of all of the previous periods of detention – Conditions – Enforcement of one and the same return decision – Second sentence of Article 15(3) – Prolonged detention beyond the initial maximum period laid down under Article 15(5) – Review by a judicial authority – National legislation making the implementation of that review contingent on an application by the detained person – Point in time when such a review must be carried out – Consequence where a review is not carried out in good time.#Case C-150/24.