The layout of the second chicane has often caused problems at the Italian Grand Prix, with drivers sometimes not losing out too much if they run wide and rejoin the track at the right point.
In a bid to clear up the matter, the FIA told teams and drivers on Sunday morning that it was introducing a special protocol for the race.
A statement issued by Formula 1 race director Charlie Whiting clarified exactly what the drivers would be allowed to do if they cut the corner.
It said: "Any driver going straight on at the second chicane (who misses the black and yellow bump placed before the apex kerb of turn 5) must stay to the right of the red and white polystyrene block (or in its absence, the yellow line) and may rejoin the track at the far end of the asphalt run-off area."
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