Only one in five Scottish salmon farms have used new Covid-19 rules The Scottish Environment Protection Agency had introduced certain flexibilities last March to mitigate the impact of the pandemic Sign up to FREE email alerts from businessInsider - Subscribe When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice New figures published by the Scottish Salmon Producers Organisation (SSPO) show the limited extent to which salmon producers have used the derogations authorised by environmental regulators last year to help the sector cope with coronavirus.