Sovereign Pharmaceuticals Becomes First Manufacturer to Earn All GS1 EPCIS Trustmarks for FDA DSCSA Interoperability Mandate Drummond Group & Vantage Consulting Key Partners in Sovereign’s Implementation of Drummond Certified™ QU4RTET Track and Trace Solution This content was submitted directly to this website by the supplier. Mar 8th, 2021 Drummond Group LLC, provider software compliance and interoperability testing, announced validation of Sovereign Pharmaceuticals’ implementation for compliance to all seven GS1 US Rx Electronic Product Code Information Services (EPCIS) Conformance ...