IANAL, but you misunderstood the law. It only applies if the boycotting company terminates contract with a party in Iran in order to comply with US sanctions.

IANAL, but you misunderstood the law. It only applies if the boycotting company terminates contract with a party in Iran in order to comply with US sanctions. If the company doesn't want to have business with Iran voluntary for other reasons, and can prove it, it's not illegal. See e.g. https://www.lw.com/admin/upload/SiteAttachments/Alert%202919.v3.pdf https://www.lw.com/admin/upload/SiteAttachments/Alert%202919...