See "Award Ceremonies and the Data Protection Act" from the University of 
Greenwich 
http://www.gre.ac.uk/students/affairs/progression/documents/InformationBrochure2006.pdf

"Awards Ceremonies and the Data Protection Act 1998

The university formally celebrates the success of its graduates at public 
awards ceremonies. The administration of the
ceremonies involves the organisation and processing of personal data of 
large numbers of people, both internal and
external to the university.

Personal data is processed prior to the ceremony, on the ceremony day and, 
to a limited extent, following the ceremony.

This includes the 'marketing' of the ceremony to the students and, the 
receipt of data from the students regarding
attendance and ticket requirements. On the day of the ceremony, the ceremony 
programme will list the names and the
schools of all the graduates attending the ceremony (degree classifications 
are not published). The public may order
souvenir DVDs/videos of the ceremony, official photographers are available 
for graduate (and family) photographs and
live Internet broadcasts of the ceremony may take place.

Graduates attending the ceremony should be aware that:

. At the ceremonies names will be announced without classification and each 
ceremony will be recorded.
. The publication of personal data in awards ceremony programmes, 
DVDs/videos and, if applicable, on the internet
is regarded as a legitimate interest of the university. By participating in 
this public event graduates consent to
having their name and image publicly available within the context of the 
ceremony.
. University staff will not disclose any details about an individual 
graduate, including time or date of ceremony to any
third party, or will staff from the university process any requests for 
awards ceremony tickets from a third party. The
student should make all requests for guest tickets.
. Where it is intended to use photographs of graduates to 'advertise' future 
awards ceremonies, consent will be
obtained, however general crowd shots of people at a public event such as an 
award ceremony, the consent of
individuals will not be sought."

Nick Landau 

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