Basically stating that under this SPV, EU will undo damages done to EU firms by the US sanctions and that the EU themselves may actually sanction companies within the EU who are complying with the US sanctions on Iran without 'explicit authorization' from Brussels.
"INSTEX will support legitimate European trade with Iran, focusing initially on the sectors most essential to the Iranian population — such as pharmaceutical, medical devices and agri-food goods...allows EU economic operators to recover damages linked to the application of US extra-territorial sanctions, nullifies the effect in the EU of any foreign decision based on these sanctions, and prohibits EU persons from complying with the US extra-territorial sanctions, unless there is explicit authorization from the Commission to do so"
https://sputniknews.com/business/201902011072017622-instex-spv-need-to-know/
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