In short
The answer first
The referee may apply advantage when stopping for an offence would harm the non-offending team more than allowing play to continue. If the expected advantage does not develop within a short period, the referee can return to the original offence. Any required disciplinary action can still be taken at the next stoppage, subject to the Laws.
Key takeaways
Advantage belongs to the referee's judgement, not an automatic right to continue.
Possession alone is not always an advantage; position, options and match context matter.
The referee can return to the original offence if the benefit quickly disappears.
A card may still be shown when play next stops.
Some serious situations require play to be stopped rather than advantage applied.
The better outcome for the attacked team
A midfielder is fouled but the ball runs to a team-mate entering open space. A free kick would remove that opportunity, so the referee may signal advantage and let the attack continue.
The decision considers more than control of the ball. Number of attackers, location, space and the likelihood of a promising move all affect whether continuing is genuinely better.
The referee can wait briefly
Advantage is often assessed over the next few seconds. If the team immediately loses the ball or the expected route closes, play can return to the original offence.
Once a clear new phase develops, the referee cannot keep the earlier foul available indefinitely. The judgement must be connected to the immediate benefit.
Play on does not erase misconduct
The referee can remember the offending player and apply the appropriate discipline at the next stoppage. Viewers sometimes mistake the absence of an immediate whistle for the absence of an offence.
Watch the referee's arm signal and their next interaction with the player. Match management continues even while the attack does.
Source check
Sources and further reading
KickVerse uses primary governing-body material where a rule or competition format has an official source. Analysis terms can vary between data providers, so provider-specific definitions are identified rather than presented as universal laws.
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