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

https://irishdrivinglicense.comtiah661.fairmontdigest.com/posts/how-to-tell-if-you-re-prepared-to-ireland-driving-licence

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