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

https://irishdrivinglicensehydf859.vantagequill.com/posts/why-ireland-driver-license-is-more-tougher-than-you-imagine

An Irish driving license is released by the National Motorist Licence Service (NDLS). Discover classifications, validity durations, and how to restore or change a lost card.