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

https://driving-license-irelandofpn075.keystonescope.com/posts/who-s-the-world-s-top-expert-on-driving-licence-irish

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