Can I make a one-off donation by direct debit? GiveNow Service November 09, 2017 03:08 Updated Follow 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 do I update my credit card or bank details? How much of my donation will go to the organisation? How does GiveNow work? Are all donations on GiveNow tax deductible? Comments 0 comments Please sign in to leave a comment.