Normative: Normative content is the prescriptive part of a standard. It sets the rules to be followed in order to be evaluated as compliant with the standard, and from which no deviation is permitted.
The following content is considered normative:
Non-normative: Non-normative content is the non-prescriptive, or ‘descriptive’, part of a standard. This may include analogies, synonyms, explanations, illustrations, context, and examples. In the event non-normative content contradicts normative content, the normative content is to be followed. The following content is considered non-normative:
In addition to the non-normative content listed above that is related to the standard and managed on Github, IATI also provides how to publish guidance (managed on Wagtail) which also falls under this category.