- Cell phone conversations are not allowed except in the Refresh Room on the 2nd basement floor of Ookayama Library.
- Only beverages in spillproof bottles are allowed.*1
- No food*1
- Do not leave any garbage in the library.
- Keep valuables in your possession at all times.
- No photography allowed without prior permission.
- No smoking
*1 Uncovered beverages and bite-size refreshments in individual packages are allowed only on the 2nd and 3rd floors of Ookayama Library.