You can require your users to populate certain fields with data when creating new customer accounts with Cloud Retailer. To do this you need to enter the back office > go to the Admin tab, and go to "Lists". Once there you need to create a new list with the name CustomerRequiredFieldsList and the scope needs to be set to "List". Add customer attributes to the list that you want to require like Address1, etc.
Overview of the above steps:
Various Field Names to use when setting up required customer fields: