Do I need a PIN to use my credit card in Ireland?

Related questions

1. Do I need euros in Dublin?
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5. Can I use ATM in Ireland?
6. What is the best airline to fly to Ireland?
7. Do I need cash in Ireland?
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Tags

1. #widely
2. #transactions
3. #mastercard
4. #required
5. #point
6. #accepted
7. #island
8. #system
9. #credit
10. #places
11. #numbers
12. #ireland
13. #express
14. #throughout
15. #american
16. #debit