Christian Horner says Red Bull "accept" the stewards' decision to award Max Verstappen a three-grid place penalty for his involvement in the race-ending clash between himself and Lewis Hamilton at the Italian Grand Prix.
Hamilton exited the pit lane following a slightly slow pit-stop and Verstappen went for an overtake around the outside at Monza's first chicane.
The championship protagonists collided at the second part of the chicane, as Verstappen's Red Bull was pitched over the top of Hamilton's Mercedes, their cars coming to a halt in the gravel trap.
"We are disappointed with the three-place grid penalty, but accept the stewards' decision," said Red Bull team boss Horner.
"We felt what happened between Max and Lewis was a genuine racing incident.
"You can argue for both sides but ultimately it's frustrating and disappointing to see both cars out of the race in what is proving to be an exciting championship.
"The main thing today is that the Halo ultimately did its job and certainly this isn't the way we intended to finish the race."
Verstappen retains his five-point advantage over Hamilton in the Drivers' Championship due to their retirements at Monza.
The Dutchman says he doesn't fully agree with his grid penalty for the next race in a fortnight's time at Sochi.
"I don't fully agree with the penalty as I believe it was a racing incident," said Verstappen. "It's very unfortunate what happened today but we are both professionals and so we will move on."