After four years of sanctions that have driven Iranian ships from the protection-and-indemnity (P&I) clubs and limited access to international hull-insurance markets, there is the first sign of relief for the country’s now diminished fleet.

It is clear that there is no general lifting of insurance or financial sanctions but there is a discrepancy between what Washington and Tehran are saying about details of the “historic” P5+1 deal that centred on the position of Iranian foreign minister Javad Zarif and US Secretary of State John Kerry.

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