Foreign Principal explained
Foreign Principal is what allows CSP partners to interact with their customers’ subscriptions through federated access and provide the necessary support within the scope of Azure.
Please note that removing Foreign Principal may result in higher Azure charges
The following roles are required: reader, support request contributor.
To verify a Partner’s access through Foreign Principal, navigate to the Subscription - Access Control (IAM) - Role Assignments.

It is not recommended to remove Foreign principal roles. If removed, SoftwareOne cannot provide any support or raise Microsoft tickets on behalf of the customer.