I recently tried creating a correctional VAT declaration with my customer (BE localization).
We used the 'Correction' functionality in the Request page of the official report Form/Intervat Declaration.
Next the 'Previous Sequence No.' should be filled. However, when trying to enter the reference from the declaration we are trying to correct, we are blocked.
It seems this field only allows numerical values up to 9999.
My question is: what reference should be used in this field or how should it be interpreted:
