To complete your account's verification, you must upload documents to your account's appropriate section. In the web version — in the upper right corner, click "Live" and select "Complete Registration”, then the area for uploading documents will appear. In the mobile app, log into your account — you'll see the "Complete Registration” section.
If your account is already verified and it's required to provide additional documents/information, a relevant request will be shown in the "My request" tab (in the mobile app you should open the "Account" section first). You can send the requested information in this tab.
If you have any additional questions or requests not shown in this tab, you can contact us and send the documents/information at firstname.lastname@example.org or via Live-chat.