Is it illegal for the library to borrow papers and send them to the mailbox?
It is illegal for the library to borrow papers and send them to the mailbox. It is illegal for the library to send the borrowed papers to the mailbox without the permission of the copyright owner, which violates the copyright owner's distribution right. According to Article 52 of the Copyright Law, it is illegal to spread borrowed papers without the permission of the copyright owner, so it is illegal for the library to send borrowed papers to the mailbox.