2882783e_Welcome_to_TRICARE_Overseas__Criteria
[Standards] All health care services for TOP Prime and TOP Prime Remote beneficiaries are provided on an authorized basis. You will be expected to accept International SOS’ authorization for services, and agree to submit Claims and itemized invoices for payment to International SOS, through our subcontractor Wisconsin Physicians Service (WPS). You agree not to balance bill a Prime beneficiary for uncovered services. [Criteria] 
Meet the Standards for Authorization
Welcome to TRICARE Overseas
Criteria