(formerly in the UK) a card issued to a person registered as unemployed.
（英国）失业登记卡
Example sentencesExamples
The fee for a visit to the dinosaurs is Pounds sterling 2.50 full rate, and Pounds sterling 1.25 for children, students, old-age pensioners and holders of UB40s.
I wonder how long Labour MPs will stand by and watch their UB40s fast approaching?
All concessions apply to Senior Citizens, children under 18, students, UB40s, registered disabled, Leisure Pass and Income Support.
Standbys For Concessions available one hour before the performance at £9.00 for Students, Senior Citizens and UB40s, on presentation of ID.
though of course in my young day we all had UB40s.