organisation=name of the organisation in where the membership exists — compulsory
memberid=identification number of the member in the above given organisation — optional
The element indicates the membership of the owner of the UDDF file in an organisation together with the member ID (if available). Both data are given as attributes, whereas the organisation must be given and the memberid can be omitted if not known.
<personal>
(see also <personal>)
<membership organisation="DAN" memberid="123456abc"/>
<membership organisation="DAN-PDE" memberid="xyz123456"/>