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

https://irishdrivinglicense.comdirz930.oakmontscope.com/posts/three-common-reasons-your-drive-licence-ireland-isn-t-performing-and-what-you-can-do-to-fix-it

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