Some useful links:

Pitch & Putt Ireland

https://www.irishpitchandputt.ie/

PPI Handicap System

https://www.irishpitchandputt.ie/handicap-system/

PPI Fixture Book

https://www.irishpitchandputt.ie/fixture-book/

PPI Rules of Play

PPI Dress Code

Repairing Pitch Marks

If you land on the green and make a pitch mark with your ball (a hole in the green) the pitch mark must be repaired to ensure the health of the green.