Questione giuridica chiave
Whether the appellant remained liable for reception fees until 30 April 2005 despite claiming earlier cohabitation with another fee payer.
Decisione estratta
The fee liability ended only from 30 April 2005 because the terminating event was notified in writing only on 14 April 2005.
Motivazione estratta
Under the applicable ordinance, the debtor must notify the fee office in writing of changes ending the duty to pay; the notice has prospective effect only and cannot operate retroactively.