When the Address Block is included as a required field on a User Login part, when filling out a New User Registration, all of the associated address fields appear as required except for Country. In addition, this field can be left blank by the user, and the form will successfully complete the registration.
Download and install the latest patch, which contains all fixes from previous patches. If you are running an older version, download and install the latest version and then the patch.
Steps to Duplicate
Create a User Login part.
While configuring it, include Address Block as a required field.
When completing a new user registration, notice that Country does not have a red asterisk beside it.
Set the County to [ blank ] and submit the New User Registration transaction.