1. Summer borrowing for both books and audiovisual materials starts from 6/3, with the due date extended to 9/19.
2. The following cases are not eligible for the due date extension to 9/19:
    (1)Books (or Audiovisual Materials) borrowed or renewed before 6/3.
    (2)Borrowers whose cards will expire before 9/19.
3.  Each person can borrow a maximum of 10 audiovisual materials.