HomeArrange and applyNotificationsWater board tax notificationsWater board tax notificationsContact TaxesDo you have a question about your assessment? You can call or write or chat with us. Objecting to the assessmentIn your opinion, did HHNK make a mistake when calculating the water board tax assessment? Or is the assessment incorrect? Then you can file an objection. Requesting a waiverAre you unable to pay your water tax assessment? Then you can apply for a waiver. Paying in installments by direct debitWould you like to pay the assessment in installments? You can do this with a direct debit authorization. Payment schemeAre you really unable to pay by direct debit? Then you can request a payment plan. Relocation, change of addressHave you moved or are you going to move? The municipality notifies us of your move.