See attached Sources Sought Notice. Vendors must submit a current OEM authorization letter from Baxter/Vantive amd submit OEM-issued technician certification for Vantive AK 98 systems to be considered... See attached Sources Sought Notice. Vendors must submit a current OEM authorization letter from Baxter/Vantive amd submit OEM-issued technician certification for Vantive AK 98 systems to be considered capable for this request.