[Koha] Problem in Circulation

Hi friends I am using koha window version. server information is as follows: Koha version2.2.4 OS version Microsoft Windows XP [Version 5.1.2600] Perl version5.008007 MySQL versionmysql Ver 12.22 Distrib 4.0.26, for Win32 (ia32) Apache version I have successfully started using circulation through koha. but there is a problem in issue section. I have defined issuing rules for the students as after 7 days they have to pay Rs 5 per day as fine. But when i make a checkout to the user, It shows the fine from the very first day in user's account. I don,t know where I am doing wrong. Plz help me Thanx --------------------------------- See the all-new, redesigned Yahoo.com. Check it out.