Generally speaking, copyright registration in Chongqing was effective in other places. The copyright registration was one of the important measures to protect the author's copyright. It could prove that the author had the copyright of his work and help to obtain legal support in the event of copyright violation. Although the copyright laws of each country or region were different, most countries or regions had copyright laws that stipulated the ownership and protection of copyright. Therefore, if you own a copyrights work in other countries or regions and have registered it, it is also valid in other countries or regions. It is important to note that in some cases, copyright registration may be restricted by local governments or courts, or restrictions may be imposed depending on local copyright laws. Therefore, it is recommended to understand the local copyright laws in detail and consult professionals before registering the copyright.