Log in to your paypal account and go to wallet. On the left hand side you will see "Funding source" On mine it has my credit card, my debit card and also my bank details. Click on the bank details and if it's like mine it will say "direct debit instruction" and next to it "accepted" I can't remember setting this up but it explains why I had £25.15 taken from my bank on the 18th December. I finally traced it back to a payment I made to "Wish" on the 12th of December. Hope this helps
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