Do you live on Saba or St. Eustatius? And has your bank account number changed?
The accounts of the WIB have recently been transferred to the MCB. Did you get a new bank account number because of this? Report this to the tax authorities as soon as possible.
Fill in the bank authorization www.belastingdienst-cn.nl/taxrefundpayments and email it with a copy of a valid ID to: balie@belastingdienst-cn.nl.