At the 17th session ( February 1978 ) , the related UN/ECE Group of Experts agreed that the three-letter alphabetic codes for International Standard ISO 4217 , `` Codes for the representation of currencies and funds '' , would be suitable for use in international trade .
At the 17th session ( February 1978 ) of the related UN/ECE Group of Experts agreed that the three-letter alphabetic codes for International Standard ISO 4217 , `` Codes for the representation of currencies and funds '' , would be suitable for use in international trade .