How to bypass two-factor authentication for Apple ID?

Question

Apple App Store

Hello everyone! I created an application on React-native (Windows, Expo) for a customer. For publication in the app store, I created an apple id for it and decided to register it with an Apple Developer. It requires two-factor authentication for an Apple ID. The customer does not have an Iphone. What to do ?How to bypass Apple Id two-factor authentication? But I have an iphone. I'm new and this is my first app. Can you describe the process in more detail? If it logs in through my iphone and then can I log out?