This field enables the Issuer's site to select the Consumer's preferred language (e.g. the language that was selected on the Merchant's site), if this language is supported by the Issuer's site/app or mobile banking app. If a non-supported or non-existing language is entered, the standard language of the Issuer is used.
In case of error, this field enables the Acquirer’s site to select the
Error.consumerMessage in the Consumer’s preferred language