Data integrity is crucial for laboratories, particularly for regulatory compliance such as 21 CFR Part 11 and Eudralex Annex 11, and it encompasses the completeness, accuracy, and consistency of data throughout its life cycle. The document outlines the challenges organizations face in achieving data integrity and emphasizes the importance of understanding data architecture, while introducing technologies like Electronic Lab Notebooks (ELN) and Scientific Data Management Systems (SDMS) as solutions. By adhering to guidelines like ALCOA and CCEA, systems can ensure data is attributable, legible, contemporaneous, original, accurate, complete, consistent, enduring, and available for audits.