"What can be the reason for it [poor officiating]? Are they overloaded? Are they overloaded with too much work? Are they overloaded outside? Whatever it is, this is not acceptable anymore," the former Chiefs coach said in a video posted by the club's media team.
"We had it in the [Durban] City FC game. We had it during the Milford game, and we had it here [Upington City]. Now, even at our home games. I can accept it when it is in away games. But in home games, we see irritation on the highest level.
"I am telling you again that we had managers and CEOs in the NFD who have already been caught. They were arrested, and they still are in the service of clubs in the NFD. This is not right," Middendorp continued.
"We worked seven days to prepare our game, and we do it in every game. We are asking our players to do the right thing."