Arrange all the documents in order (according to the file directory order filled in the request), and then you can fill in the overall page number in the upper left corner or upper right corner of the document with a pencil. If you are worried about confusion, you can clamp it with a clip and then submit it.
Because each document has a title and number, it won't be messy.
The application documents submitted by the National Information Bureau should be scanned page by page, and scanning will be more troublesome if bound!