Should cyclists carry ID? Yes, and why I do

New South Wales planned introduction of compulsory rider ID is causing controversy:

Government to bring NSW riders to heel - Bicycle Network

The fine and compulsion is not good but I think all cyclists should carry ID. I take this as —should something go wrong — along with ID one word might help someone else: Donor

Old_Drivers_License

UPDATE 03/8/2016: Mark Hanna has a great post on what the word Donor on your licence actually means and more information on becoming a donor:

Are You an Organ Donor? - honestuniverse.com