Should MEP expenses system be more transparent?
22 April 2014 Last updated at 09:42 BST
Last week the UK Independence party leader Nigel Farage strongly denied reports that he misused his European parliamentary allowance.
Although many MEPs choose to publish details of their expenses claims online, there is currently no requirement for them to do so.
This lack of transparency and scrutiny leaves the allowances system open to abuse, as Ben Wright reports from Strasbourg.