Legal Definition
Noncompliance refers to the failure to meet or adhere to a specific legal requirement, regulation, contract term, or statutory obligation. In a legal context, it signifies a breach of duty or rule set by law, policy, or contract.
Plain-English Translation
It means when something doesn't follow the rules or laws that are supposed to be followed. If you don't do what the rules say you should do, then 'noncompliance' happens.