Iran Sanctions Come Into Effect Immediately, Wind-down Period for Existing Contacts: John Bolton

"For contracts that already exist, there is a wind-down period to allow an orderly termination of the contract, so that people who in good-faith reliance on the waiver of the sanctions -- have engaged in business are not totally surprised," Bolton explained.

from Top World News- News18.com https://www.news18.com/news/world/iran-sanctions-come-into-effect-immediately-wind-down-period-for-existing-contacts-john-bolton-1743335.html