GDSN Validation Rules are the foundational rules that ensure the information about Item data or a trade item’s price as passed within the Global Data Synchronisation Network conforms to a common structure and complies with global standards.

• They are standardized by the GDSN BRG.
• Validation Rules are mandatory.
• They apply to known business and technical cases.
• They are implemented within the GDSN by certified Data Pools.
• They are concerned with maintaining the integrity of the information about the physical product or its price.
• They supplement the validation that is outside the scope of the XML processor.
• They can validate system or application level information or business rules.
• They maybe global are target market specific.