If you are struggling to get your refund and they offer you only a voucher it's illegal !!!they breach the European regulation with the tolerance of their trade administration and ministry. FILE A COMPLAINT TO YOUR LOCAL ECC NET and start a dispute resolution via your banks or ODR. ALSO PUSH THE ILT via email (national enforcement body of Netherlands) to press TUI.NL to comply with the European regulations which they breach ! And file complaints to the European commission.
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