An Irish driving license is released by the National Driver Licence Service (NDLS).

https://drivers-license-irelandoyfa957.almoheet-travel.com/some-wisdom-on-ireland-drivers-license-from-an-older-five-year-old

An Irish driving license is issued by the National Chauffeur Licence Service (NDLS). Discover categories, validity periods, and how to renew or change a lost card.