31 CFR 501.604: any U.S. person, including a financial institution, that rejects a transaction which is not blocked but would violate OFAC's regulations if processed (wire transfers, trade finance, securities, checks, foreign exchange, goods and services) must report it through ORS within 10 business days with the rejecting party, transaction and participants, target, date, U.S. dollar value, legal authority and supporting documents.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.