You can claim certain expenses while attending jury service although you may still end out of pocket.
This information is correct for jury service expenses in England (Nov 15th 2013) although similar principles will probably apply in other countries for allowances and expenses
You will need to keep receipts for bus tickets. parking (where allowed by the court) etc. Larger courts have canteen facilities for jurors and operate a card payment system.
You will be given a claim form when you arrive for jury service, which you can fill in after your jury service. The court can make special arrangements for interim payments during longer trials
You can claim for loss of earnings during jury service in the UK but it is unlikely to cover your true lost income
This seems to very unfair to the self employed as many companies, especially larger businesses, will continue to pay their employees during their jury service. The self-employed could end up very out-of-pocket due to their attendance for jury duty
Jury Service travel expenses and allowances can be claimed as below: