venkata , step 1. system preference called 'finesMode' set to 'production'. 2. A script "fines.pl" located at <koha DIR>/bin/crontab/fines.pl must be executed at server backend. ( I set that "fines.pl" will be executed at 1:00 AM (cronjob) to calculate fine.) regards Amandeep Kansal Dear Amandeep,