MX cancellation, return, reversal, and investigation lifecycle
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Customer and FI cancellation, resolution, return, reversal, and structured investigation messages.

SYNTHETIC / TRAINING ONLY

Every party, account, identifier, and amount is fictional. The files are illustrative and have not been validated against a network, scheme, bank profile, or implementation guideline. XSD validity checks XML structure only; it does not prove scheme compliance. Read manifest.json for the ordered inventory and exact namespaces.
