The mime code of the attached document.
text/csv| Identifier/Error message | Flag | 
|---|---|
| PEPPOL-EN16931-CL001 Mime code must be according to subset of IANA code list.  | 
            fatal | 
| UBL-DT-06 Binary object elements shall contain the mime code attribute  | 
            fatal | 
| BR-CL-24 For Mime code in attribute use MIMEMediaType.  | 
            fatal |