Below are a number of resources provided by NZRL which will help you as a coach:
Coach's Recorder Book - includes Training Template, Match Day sheets, Stat sheets, Player Assessment sheets and more. Note: this is a smaller web version, you may wish to print off multiples of some pages for your own use e.g Training Templates and Match Day sheets.
Guide to Mini-Mod Rules
NZRL Rule Book
Safeplay Code - adjusted rules for grades up to and including Under 15's
Session Planning
Skill Assessment & Drill Development Tool
Skills and Drills - appropriate to different levels
Training Videos
A Useful Guide for Elite Coaches