What Premier League VAR Requires to Meet the Clear and Obvious Error Threshold

For a Video Assistant Referee (VAR) to overturn a subjective on-field decision, the original call cannot merely be debatable; it must be definitively, demonstrably wrong. That is the binding constraint of the "clear and obvious error" threshold—the foundational rule designed to prevent technology from re-refereeing a football match. If the video evidence is inconclusive, the original call must stand. Yet, as the 2026 Premier League season unfolds, the question of whether that constraint is actually holding remains the most volatile debate in the sport.[2][3]

The stakes of that threshold were laid bare on September 5, 2026, during a tense 0-0 draw between Nottingham Forest and Tottenham Hotspur at the City Ground. In the 66th minute, Forest defender Neco Williams bundled the ball over the goal line amid a frantic scramble with Spurs midfielder Sandro Tonali. On-field referee Craig Pawson awarded the goal. However, VAR Peter Bankes initiated a review and ultimately advised Pawson to disallow the strike, ruling that Williams had handled the ball immediately before scoring.[1]

The intervention immediately triggered a debate over the threshold itself. As Yahoo Sports reported, "The biggest issue with judging handball is often determining if the ball did actually hit the arm, and that is the crux of Nottingham Forest's argument."

Williams was adamant that the ball came off his head and did not touch his hand. Because the incident involved a potential handball immediately before scoring, Yahoo Sports noted it was "a factual overturn so the VAR, Peter Bankes, is looking for definitive proof," but Forest argued the footage was entirely inconclusive.[1]

To understand the mechanics of the threshold, one must look at the International Football Association Board (IFAB) protocol, which formally wrote VAR into the Laws of the Game on March 3, 2018. Operating under the philosophy of "minimal interference, maximum benefit," the system restricts VAR interventions to four specific match-changing situations: goals, penalty decisions, direct red cards, and mistaken identity. Across all 380 Premier League fixtures in a season, the VAR and Assistant VAR (AVAR) constantly monitor these four categories.[2][3]

Crucially, the protocol divides these incidents into two distinct tracks: factual and subjective. Factual decisions—such as whether a player is offside, whether the ball went out of play, or whether an attacker accidentally handled the ball immediately before scoring—are not subject to the "clear and obvious" test. If the technology shows an attacker was offside by a millimeter, the VAR intervenes and the goal is disallowed. There is no gray area, and the on-field referee does not need to review the footage.[2][3]

Subjective decisions, however, are governed by the "Referee's Call" principle. For incidents involving fouls, deliberate handball interpretations, or the severity of a challenge, the Premier League mandates a high bar for intervention. The VAR cannot recommend an overturn simply because they would have made a different decision. They must identify a glaring mistake. If the VAR spots a potential error, they check the attacking possession phase (APP) and then advise the on-field referee to consult the pitchside monitor—the Referee Review Area (RRA)—to make the final decision.[2][3]

The challenge for Professional Game Match Officials Limited (PGMOL) is that "clear and obvious" is itself a subjective measure. A handball that looks deliberate from a slow-motion, zoomed-in angle might look entirely natural in real-time. To combat this, the Premier League has increasingly relied on releasing the audio communications between the VAR booth and the on-field referee, allowing fans to hear the exact process—from the initial "silent check" to the formal recommendation of an On-Field Review (OFR).[4]

The system is designed to protect the authority of the on-field official while eliminating the most egregious errors from the game. But as the Nottingham Forest controversy demonstrates, the line between correcting a genuine mistake and second-guessing a marginal call remains razor-thin.

The true test of the protocol is not whether it can spot every minor infringement, but whether officials can resist the urge to use it when the evidence leaves room for doubt. Until the sport finds a way to universally quantify what makes an error obvious, that boundary will be tested every time a referee points to the center circle.[4]