Defra ‘The regulatory stock assessment is an ongoing assessment of the costs and benefits of the stock of Defra’s regulations. This is the first update covering the period 2012 to 20121 and is presented in 2012 £s. The assessment covers all the regulations for which Defra is responsible (e.g. flooding, biodiversity, water and marine) where business or civil society are potentially required to take some action. The overall benefit to cost ratio is 3 to 1. To read more go to: