HomeArrange and applyNotificationsWater board tax notificationsWater board tax notificationsContact TaxationDo you have a question about your tax assessment? You can call us, write to us, or chat with us. Appealing against the tax assessmentDo you believe HHNK made an error in calculating your water board tax assessment? Or is the assessment incorrect? If so, you can lodge an objection. Apply for remissionAre you unable to pay your water board tax bill? If so, you can apply for remission. Payment in instalments via direct debitWould you like to pay the assessment in instalments? This can be done by authorising a direct debit. Payment arrangementAre you truly unable to pay by direct debit? If so, you can request a payment arrangement. Relocation, change of addressHave you moved or are you planning to move? The municipality will notify us of your move.