Under its public service, Zagreb Holding Ltd., subsidiary Čistoća provides citizens with bins for separate paper collection. Paper bins are emptied twice a month. Collection schedule can be found in the Services section, under Separate waste collection. Citizens have a duty to use the public service provided to them, to enable access to the bins at the time of scheduled collection and to safeguard the containers from damage or theft. Paper collection service is provided without additional charges. In the event of failure to use the service and failure to hand over paper and cardboard, said Decision stipulates a contractual penalty in the amount of HRK 800.00.