The Edifecs testing service allows entities interested in becoming certified to perform the requirements necessary to show implementation of all applicable CORE Rules. Registered CORE stakeholders may use their current username/password to logon. Non-registered CORE stakeholders please select the appropriate program from the drop-down list above and click the register button to begin the CORE certification testing process. Please see the Edifecs CORE Phase I Quick Start Guide for more information regarding Phase I CORE Testing. Refer to the Edifecs CORE Phase II Quick Start Guide for more information regarding Phase II CORE Testing.