Case C-76/23,  Cobult: Judgment of the Court (Third Chamber) of 21 March 2024 (request for a preliminary ruling from the Landgericht Frankfurt am Main – Germany) – Cobult UG v TAP Air Portugal SA (Reference for a preliminary ruling – Air transport – Regulation (EC) No 261/2004 – Article 7(3) – Article 8(1)(a) – Right to reimbursement of the cost of the airline ticket in the event of cancellation of a flight – Reimbursement in travel vouchers – Concept of the ‘signed agreement of the passenger’ – Reimbursement procedure through a form available on the website of the operating air carrier)