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

https://driving-license-irelandakpg392.rivertonbrief.com/posts/don-t-make-this-silly-mistake-you-re-using-your-irish-car-licence

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