Required fields and saved addresses

[sideways]

Hi

 

I have switched to a delivery option that will require a mobile phone number for delivery notifications. I can easily set the mobile phone number field to be required in the new address registration form. But customers with saved addresses can still check out without adding a mobile phone number.

 

What would be a good way to handle this. Can I delete all saved addresses in backoffice (in Customers->Addresses) and have the customers add them again? Would that affect the system other ways?

 

Is there som other way to make sure all checked out orders contain a mobile phone number, even for those that have a saved address?

 

BR,

Johan