SWIFT ISO 15022 - Code SSEX Signification Sell Short Exempt: Order to sell short which is exempt from short-sale rules. Utilisations Type de message Numéro de champ Tag MT502 (Order to Buy or Sell) 18 22a (Indicator) MT513 (Client Advice Of Execution) 35 22a (Indicator) MT576 (Statement of Open Orders) 43 22a (Indicator)