Since when do you have to fill in the new IBAN on the payment orders?
Starting from the date 03.03.2025 on all payment orders (on paper or electronic support) it is necessary to include the BT IBAN. Our recommendation is to send partners, in advance, the new BT IBAN, and in case they use electronic payment systems with a predefined OTP IBAN, to modify it with the new BT IBAN.
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