How do I report foul play after the match?

Under World Rugby Laws 2026 (Law 6):

• If a player was sent off, you give the match organiser a written report on the foul play as soon as possible.
• If an assistant referee's verbal report to you led to a player being sent off, the assistant referee submits a written report to you as soon as possible after the match, and you provide it to the match organiser.
• You also communicate the score to the teams and to the match organiser.
• Any additional person (for example a non-playing team member) who fails to adhere to the Laws may be cautioned or sent off, and misconduct charges may be issued by the match organiser.

Rugby Canada's age-grade variations add that if a player's misconduct happens off the field of play, the match official reports it to the match organisers (U11/U12 and U13/U14 variations, section 6.3).

Sources: World Rugby Laws 2026, Law 6: https://passport.world.rugby/media/wnvjlxtb/2607en-world-rugby-laws-final-compressed.pdf and Rugby Canada U13 and U14 (13 v 13) Law Variations: https://rugby.ca/uploads/Community/Age_Grade_Law_Variations_2023/English/Rugby_Canada_-_2022_Law_Variations_Community_Rugby_Eng_U13_U14-13s_v2_Jan2023.pdf