Tammy Abraham rescued a late point for Chelsea as they came from 3-0 down to draw 3-3 with West Brom.
The Blues were chasing the game for the whole of the second half and goals from Mason Mount and Callum Hudson-Odoi set up a grandstand finish before Abraham's late equaliser in stoppage time.
Yet rival fans were furious that the goal was allowed to stand, with Kai Havertz appearing to handle Hudson-Odoi's cross into the box before Sam Johnstone could only turn Mount's shot into the path of Abraham.
Many questioned why Havertz's handball - the ball struck the attacker's arm as he tried to control it with his chest - was not picked up by VAR.
The decision not to intervene was the correct one, though.
The International Football Association Board (IFAB) changed the rules ahead of the start of the season in a way that has now benefitted the Blues.
A statement by IFAB said: "'Accidental' handball by an attacking player (or teammate) is only penalised if it occurs ‘immediately’ before a goal or clear goal-scoring opportunity.
"If an attacking player accidentally touches the ball with their hand or arm and the ball then goes to another attacking player and the attacking team immediately scores, this is a handball offence.
"It is not an offence if, after an accidental handball, the ball travels some distance (pass or dribble) and/or there are several passes before the goal or goal-scoring opportunity."
With the ball going to Mount, whose shot was saved before Abraham turned in the rebound, it was deemed that a sufficient amount of time had passed for VAR to no longer be able to intervene.
Had Mount scored, then the handball may well have been penalised.
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