This includes all donations for this year and the previous four years, plus any future donations unless I notify you otherwise. Gift Aid is reclaimed by the charity from the tax you pay for the current tax year. Your address is needed to identify you as a current taxpayer. I am a UK taxpayer and understand that if I pay less Income Tax and/or Capital Gains Tax than the amount of Gift Aid claimed on all my donations in that tax year it is my responsibility to pay any difference. What is Gift Aid?