The Národní book return box make it possible for users to return loaned documents on a self-service basis outside daily LCAS opening hours. It is located to the right under the stairs beyond the entry door to the LCAS at the address Národní 1009/3, Prague 1, is accessible from 6 a.m. to 8 p.m., Monday–Friday.

When a loaned document is returned:

• by placing a loaned document in the Národní book returns box by the end of daily LCAS opening hours, the loaned document will be removed from the user account the same day,
• by placing a loaned document in the Národní book returns box after the end of daily LCAS opening hours, the loaned document will be removed from the user account on the following day on which the library is open.