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HM Revenue & Customs

Other tax relief deductions 17 - Social Investment Tax Relief

You can claim Social Investment Tax Relief (SITR) if you received an SITR3, ‘Social Investment Tax Relief Certificate and claim to relief’ You cannot claim SITR if you’ve already claimed relief on an investment under the:

Relief is available at 30% of the amount invested, up to a maximum annual investment of £1 million. Enter the amount you invested, up to £1 million. Companies are now able to report investment details digitally and will be given a unique investment reference (UIR) with your certificate. You must provide the UIR and details about each investment including company name and amount invested in the ‘additional information’ field.