A judicial meeting will be held in Tauranga next week to deal with the incident.
Meanwhile, Wharerau has been suspended and cannot be involved in any coaching capacity when Pikiao play Ngongotaha in Rotorua.
Taupo were leading the match 20-16 when the game was called off.
This weekend is round six of the Bay of Plenty Coastline premier, reserve grade and division one competitions.
Only three teams remain unbeaten across all three grades.
The Pacific Sharks (Tokoroa) have won all five games they have played in both the premier garde and reserve grade, while the Forestland Falcons (Tokoroa) lead the way in the division one competition having won all matches this season.
Bay of Plenty Coastline draw tomorrow (round six):
Premier (2.30pm): Mangakino Hawks v Pacific Sharks, Mangakino Rugby Club; Otumoetai Eels v Taupo Phoenix, Mitchell Park; Ngongotaha Chiefs v Pikiao Warriors, Puketawhero Park.
Reserve grade (12.45pm): Otumoetai Eels v Taupo Phoenix, Mitchell Park; Central Lions v Pikiao Warriors, Puketawhero Park; Reporoa Razorbacks v Pacific Sharks, Reporoa Rugby Club.
Division One (1pm): Tauhara Te Maunga v Putaruru Dragons, Hickling Park; Forestland Falcons v Papamoa Bulldogs, Memorial Park; Whakatane/Taneatua Warriors v Putauaki Stags, Taneatua Domain.