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

https://irish-driving-licencelcii053.fairmontdigest.com/posts/10-things-that-everyone-is-misinformed-about-the-word-ireland-driver-license

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