OFAC FAQ #158 · Iran Sanctions
Can the application of any part(s) of the Iranian Financial Sanctions Regulations (IFSR) be waived by the Department of the Treasury?
OFAC's answer
[The Comprehensive Iran Sanctions, Accountability, and Divestment Act](https://ofac.treasury.gov/media/5691/download?inline) (CISADA) provides for a waiver of the sanctions under the Iranian Financial Sanctions Regulations ([IFSR](https://www.ecfr.gov/cgi-bin/text-idx?SID=9874a1de71122f946a56d27417c6c372&tpl=/ecfrbrowse/Title31/31cfr561_main_02.tpl)) if the Secretary of the Treasury determines that a waiver is necessary to the national interest of the United States.