The owner of the decentralised channel system shall apply with an application to the Visitor Acceptance Division of the Housing and Environment Department of the Riga City Council or to the Riga City Neighborhood Population Centre, or send an application by post or e-mail. The Management Management and Sewer Services Division of the Housing and Environment Department in conformity with the regulatory enactments shall perform the registration of the decentralised sewer system in the decentralised register of sewer systems.