Legal basis: Article 55 of the Copyright Law of People's Republic of China (PRC). When investigating and dealing with acts of suspected infringement of copyright and copyright-related rights, the copyright authorities may require relevant parties to investigate the situation related to suspected illegal acts; On-site inspection of places and articles suspected of violating the law by the parties concerned; Consult and copy contracts, invoices, account books and other relevant materials related to suspected illegal acts; Places and articles suspected of violating the law may be sealed up or detained.
When the copyright administrative department exercises the functions and powers prescribed in the preceding paragraph according to law, the parties concerned shall give assistance and cooperation, and shall not refuse or obstruct it.