Treasury Specially Designated Nationals And Blocked Persons List. Compliance with OFAC payment rules ensures that the Agency does not conduct business with individuals or organizations that have been determined to be supporters of terrorism and international drug dealing or that pose other dangers to the United States. Prior to making payment to individuals or organizations, the Agency will download the current OFAC SDN file and compare it to Agency and statewide vendor files. In the event of a positive match, the Agency reserves the right to: (1) make a determination of “reasonability” before taking the positive match to a higher authority, (2) seek assistance from the Washington State Office of the State Treasurer (OST) for advanced assistance in resolving the positive match, (3) comply with an OFAC investigation, if required, and/or (4) if the positive match is substantiated, notify the Contractor in writing and terminate the contract according to the Termination for Convenience provision without making payment. The Agency will not be liable for any late payment fees or missed discounts that are the result of time required to address the issue of an OFAC match.