12/17/1982
https://www.presidency.ucsb.edu...
"Let me emphasize that we are taking these economic measures only after repeated but unsuccessful attempts to reduce tensions with Iran."
"I have directed the Secretaries of Treasury and State to take action to place an embargo on all U.S. imports from Iran."
"When national standards are required, consult with appropriate officials and organizations representing the States in developing those standards."
"The measures I am initiating are a direct result of the Iranian Government's own actions, including its unprovoked attacks on U.S. forces and U.S. merchant vessels."