Can I make a one-off donation by direct debit? GiveNow Service January 14, 2019 06:26 Updated One-off donations can only be made by credit card. Donations by direct debit are only available for regular donations. Related articles How does the donation process work? How much of my donation will go to the organisation? Can I make a regular donation? Are all donations on GiveNow tax deductible? Do I need to sign up for an account to make a donation?