For overdue materials, the overdue occupation fee is 0.05 yuan per book per day. If the "due date" coincides with the winter and summer vacations, the book lending and returning system will automatically postpone the "due date" to the first week of school, and you only need to return the book within the first week of school. The undergraduate library card can borrow books, periodical bound volumes and CD attached with books *** 10, of which books can be borrowed for 30 days, CD attached with books can be borrowed for 7 days, and periodical bound volumes can be borrowed for up to 2 days. Graduate students or faculty members can borrow books, periodical bound volumes and CD attached with books *** 15, of which books can be borrowed for 60 days, CD attached with books 14 days and periodical bound volumes can be borrowed for up to 7 days. If you want to overdue, you'd better remember the date of borrowing the book. Generally, the books we borrow are for one month, so just remember to return them before this day of next month.