Collateral damage: How Iran sanctions fears hurt humanitarian trade

(Repeats Friday item, text unchanged)

* Food and medicine exempt from U.S., EU sanctions on Iran

* But many banks refusing to handle any Iran trade deals

* Banks fear U.S. fines even though business is legal

* Iranians complain of soaring food, medicine prices

* U.S. says "humanitarian channels" set up for Iran trade

By Jonathan Saul and Parisa Hafezi

LONDON/ANKARA, Aug 1 (Reuters) - It should have been a routine delivery of vegetable oil to Iran for making margarine; instead the tanker spent months in the Gulf as banks held up payment for the cargo, fearing they would run foul of international sanctions.

The sanctions regime, imposed by the United States and European Union over Tehran's nuclear programme, permits trade in humanitarian goods such as food and phamaceuticals.

Yet many banks are steering clear of financing any deals with Iran due to a series of fines handed out by U.S. authorities for dealing with sanctioned countries, including a recent $8.97 billion penalty for BNP Paribas of France.

So from January to March this year the Greek-run tanker lay at anchor before it was forced to head to Fujairah in the United Arab Emirates to refuel - this also being difficult in Iran due to the sanctions. Eventually, a sale of goods bill for the transaction came through and the tanker discharged its cargo in Iran, but only after months of wasted time and mounting costs.

"This was meant to have been entirely uneventful business," the ship's manager told Reuters, requesting that the name of the vessel and his company be withheld - for fear of attracting negative publicity for a shipment that was entirely legal.

Iranians blame such disruption of trade for soaring food prices at home and shortages of medicines for the sick such as cancer patients.

Western shipping sources, Iranian officials, and suppliers of foods and medicines told Reuters that increasing numbers of shipments destined for Iran are being held up or stopped.

"The banking side is the core problem. We are seeing banks dropping out of providing this type of transaction or ceasing to process them. It is complicated and the costs are high for such trades. It looks like it will get harder to do this business," one U.S. exporter of humanitarian goods to Iran said.

U.S. officials said Washington was aware of the problems and taking steps to make humanitarian trade easier.

FINES FEAR

In May, trade sources and Iranian officials said hundreds of thousands of tonnes of grain and sugar were stuck in transit due to payment problems. The following month, Reuters reported that Iran was lobbying to get HSBC to process humanitarian trade transactions after Europe's biggest bank froze some financing because of concerns about potential breaches of international sanctions.