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An Iranian aviation official says his country is negotiating the purchase of 100 planes from Boeing Co.

Chicago-based Boeing declined to discuss the talks, but did not deny the details reportedly offered by Ali Abedzadeh, the head of Iran's Civil Aviation Organization.

The state-run IRAN newspaper quoted Abedzadeh on Sunday as saying Boeing is waiting for the U.S. Treasury's permission for the sale. He said there wasn't a firm price set yet for the airplanes.

In April, Iranian officials said Boeing offered to sell the country 737, 787 and 777 model aircraft.

Iranian airlines have some 60 Boeing airplanes in service, but most were purchased before the 1979 Islamic Revolution.

After reaching a nuclear agreement with world powers last year, Iran inked a 118-plane deal with Airbus.