Summary: Changes for the 2013 season
Front wing tests: Following the continual debate between teams over flexible front wings, the FIA has outlined 'more stringent' load tests for the 2013 campaign.
Minimum weight: Previously capped at 640kg, the minimum weight of cars has now been raised to 642kg. This is to compensate the heavier Pirelli tyres in 2013.
Stepped noses: With widespread dissatisfaction expressed at the introduction of 'stepped noses' in 2012, a compromise has been reached between teams and the FIA for the upcoming season. The area in question can now feature a small laminate panel, aimed at improving the transition of the drop.
Force Majeure: The force majeure regulation, relating to a car stopping on-track in qualifying, has been dropped from the rulebook. In 2013, the FIA will judge the level of fuel a driver would have required to return to the pit lane and add it to the one-litre minimum sample required for testing after qualifying.
DRS use: For safety reasons, the Drag Reduction System (DRS) will only be permitted in the designated race zones throughout an entire Grand Prix weekend this season. Previously, the device could be freely activated in practice and qualifying.
Curfews: The personnel curfew, which limited the time team members were permitted to work on Thursday nights, has been extended from six to eight hours in 2013. However, the number of exceptions has been cut back from four to just two.
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