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

https://irishdrivinglicense.comorni877.clearminster.com/posts/it-s-enough-15-things-about-ireland-driving-licence-we-re-tired-of-hearing

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