You can disclose the actual data of your real estate to your municipality, by:

1. creating a new declaration in relation to each real estate for which you want to correct its surface area data
2. selecting the real estate
3. entering the actual surface area, in square metres

You will be notified of the progress of your application by the respective Municipality.

You will need your personal Taxisnet credentials.

Caution! The declaration is addressed to the municipalities and in no way modifies the data of the E9 declaration.