Tax Deduction Scheme for Interest (TDSI) guidance notes
These notes provide general guidance for Financial Institutions on how to operate the scheme and deduct basic rate of tax from appropriate interest payments.
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Since 6 April 1991 tax has been deducted from deposit interest paid by deposit-takers and building societies. From 6 April 2008 tax is deducted at the basic rate of tax. This scheme is known as the Tax Deduction Scheme for Interest.