The FIA has significantly amended Formula 1's sporting regulations to avoid the chaos that has surrounded grid penalties and starting positions on several occasions this season.
How F1 grid penalties are applied has been a source of confusion this year, especially in instances like at the Italian Grand Prix at Monza where multiple drivers were sanctioned with demotions on race day but did not know where they world start on the grid.
But the FIA, through Article 42.2 of its sporting rules, will now rely on what it calls a 'nominally empty grid' method that will see the grid built in stages and which should prove straightforward for teams to figure out.
Here is the run-down of the FIA's new rules that will be in force from this week's US Grand Prix.
a) Classified drivers who have received 15 or less cumulative grid penalties will be allocated a temporary grid position equal to their Qualifying Classification plus the sum of their grid penalties. If two or more drivers share a temporary grid position, their relative order will be determined in accordance with their Qualifying Classification, with the slowest driver keeping their allocated temporary grid position, and the other drivers getting temporary grid positions immediately ahead of them.
b) Following the allocation of temporary grid positions to penalised drivers in accordance with (a), unpenalised classified drivers will be allocated any unoccupied grid position, in the sequence of their Qualifying Classification.
c) Following the allocation of grid positions to unpenalised classified drivers, penalised drivers with a temporary grid position, as defined in (a), will be moved up to fill any unoccupied grid position.
d) Classified drivers who have accrued more than 15 cumulative grid position penalties, or who have been penalised to start at the back of the grid, will start behind any other classified driver. Their relative position will be determined in accordance with their Qualifying Classification.
e) Unclassified drivers who have been permitted to participate by the Stewards will be allocated grid positions behind all the classified drivers. Their relative positions will be determined in accordance with Article 39.3 (b).
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