United Kingdom parliamentary expenses scandal with each MP receiving a letter in which they were informed whether or not they would be required to repay any expenses they had claimed. Among those who had to repay expenses were Prime Minister Gordon Brown who claimed £12,415 for cleaning and gardening costs and Liberal Democrat leader Nick Clegg who was asked to pay back £910 from a £3,900 claim he made for gardening between 2006 and 2009. Conservative leader David Cameron was asked to provide more information regarding over-claiming in 2006 when he changed his mortgage, he had already repaid £218. Former Home Secretary Jacqui Smith apologised
Parliamentary Standards Act 2009 had attracted criticism over its role in the aforementioned scandal. The Act also created the office of the Commissioner of Parliamentary Investigations, who would, as part of the IPSA, oversee any investigations into MPs who he believed, or had reason to believe, had been paid an expenses claim that was not within the rules as set out in the Act and by the House of Commons, or the investigation of any MP who had failed to comply with the IPSA's code of conduct relating to financial interests. The government had attempted to legislate, as part of the original bill, that