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

https://irishdrivinglicense.comjvez103.scriblorax.com/posts/a-rewind-the-conversations-people-had-about-how-to-get-a-driving-license-in-ireland-20-years-ago

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