It is recommended that you have a minimum of users on your account.
A user:
Must register themselves to the Portal;
Is uniquely identified in the Portal by their email address.
Can be invited without being a registered user but to accept the invitation the person invited must complete their user registration;
A user may be associated with one or more accounts in the portal:
A user can have alternate contact details for each account.
NOTE: All account configuration and invitations can only be done by an administrator.