By Arvilla Trag, RAC, Principal Consultant, CMC Compliance Services Good Documentation Practices and Data Integrity (GDP/DI) are inseparable elements of data management, the foundation of any quality system and are applicable to all departments. While it is possible to have GDP without data integrity, data integrity without GDP is not possible. This provides a sound argument for companies to combine GDP and data integrity into a single SOP and ensure strict adherence to the procedures.