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

https://irishdrivinglicensezesr028.silverstonebrief.com/posts/13-things-you-should-know-about-driving-licence-in-ireland-that-you-might-not-have-considered

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