General lending period: 28 days.
After the first period of 28 days, the items will be renewed automatically two times for another 28 days respectively. Afterwards, you can renew the items manually in your account for another three times altogether, for 28 days each time (maximal lending period: 168 days). The items can be recalled at any time during the lending period.
Shelf mark ZS: for journals, the general lending period is 14 days. Automatic renewal 2 x 14 days, manual renewal 3 x 14 days. Maximum lending period: 84 days.