--- Comment #49 from Jacek Ablewicz <[hidden email]> ---
(In reply to Marcel de Rooy from comment #48)
> And for UNIMARC it should be 2xx
Looks like the stored one is constructed as one-field-record, so the last
(...->[-1]) field in this record should always (?) be heading field. Original
tag number can be extracted from it as well, but authtypecode can't..