Personal tax – guidance

Tax Deduction Scheme for Interest (TDSI) guidance notes

This publication was withdrawn on 6 April 2016

This content is now obsolete from 6 April 2016.

These notes provide general guidance for Financial Institutions on how to operate the scheme and deduct basic rate of tax from appropriate interest payments.



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.