From 6 April 2017 charities have also been able to claim tax back on donations made using contactless technology, such as a contactless credit or debit card.
Before 6 April 2017, charities could only claim top-up payments on small cash donations. Cash donations can be in coins or notes that have been collected and banked in the UK. The charity does not need to know the identity of the donors or collect Gift Aid declarations.
GASDS claims are worked out in the same way as Gift Aid. If the basic rate of Income Tax is 20%, the charity can claim a GASDS top-up payment of £2,000 on up to £8,000 worth of small donations. This is limited to 10 times the amount that the charity receives in Gift Aid donations that tax year.