2004: Minimum size set of rear wing end plates and engine cover to allow more sponsor space; launch control forbidden; full-automatic gearboxes forbidden.

2005: Reduction of diffuser size to reduce cornering speeds

2007: Obligatory rear wing gap spacer to prevent flexing;
Increased strenght requirements for rear crash structure

2008: The FIA provides a standard and equal ECU to all teams which must be used in the cars to monitor and control all electronic systems;
Traction control banned

2004: Pit lane speed limited to 100km/h

2003: Obligatory use of HANS

2007: Cars must be fitted with a red, blue and yellow cockpit LED for the track information system;
A medical warning light at the cockpit is obligatory to inform marshalls of the severity of an accident.

2003: Changed points system: 10-8-6-5-4-3-2-1

Cars may not be refuelled between qualifying and race

Team orders are prohibited.

2004: each driver must select his wet- and dry-weather compound before second qualifying.

2005: Tyre switching during the race forbidden, except for safety reasons.

2006: Tyre changes allowed again.

2008: Strict limitations concerning CFD and wind tunnel testing;
Single tyre supplier appointed by the FIA

2009: Tyre warmers banned

Friday
11.00-12.00 Free practice
14.00-15.00 Free practice

During both sessions all teams, other than those who finished in the top four positions of the previous year's World Championship for Constructors, will be permitted to run a third car provided any driver of this car:

• is not one of the team's nominated drivers for the Event in question;
• is in possession of a Super Licence;
• has not taken place in more than six World Championship Events during the two previous World Championships.

Saturday
10.00-10.45 Free practice
11.15-12.00 Free practice
14.00 Qualifying begins and will be run as follows:

• the session will be held in two parts separated by two minutes;
• during the first part each driver will carry out a single timed lap as now starting in the order they finished in the previous race. At the first race of the year the order of the last Event of the previous year's World Championship will be used (in both cases any new drivers will be arranged in numerical order);
• any car stopping in the first part will not be allowed to take part in the second, if the car is brought back to the pits before the end of the session it must remain in parc fermé until the end of the session;
• refuelling rigs will be allowed in the first part subject to everyone wearing suitable clothing and photographers being restricted as for a race;
• the running order for the second part will be determined by the times achieved in the first part reversed;
• cars will run with race fuel and race settings as in 2003.

Sunday
14.00 Race

Identical to 2004, except for qualifying that takes place at 13.00 and includes only one run for each car, thereby scrapping the second part of the 2004 qualifying format.

Friday
11.00-12.00 Free practice
14.00-15.00 Free practice

Saturday
11.00-12.00 Free practice
14.00-15.00 Qualifying to run as follows:

• From 14.00 to 14.15 all cars will be permitted on the track and at the end of this period the slowest five cars, taking into account only laps which were completed before the end of the period, will be prohibited from taking any further part in the session. Lap times achieved by the fifteen remaining cars will then be deleted.
• From 14.20 to 14.35 the fifteen remaining cars will be permitted on the track and at the end of this period the slowest five cars, taking into account only laps which were completed before the end of the period, will be prohibited from taking any further part in the session. Lap times achieved by the ten remaining cars will then be deleted.
• From 14.40 to 15.00 the ten remaining cars will be permitted on the track. The above procedure is based upon a Championship entry of 20 cars. If 22 are entered six cars will be excluded after each of the previous periods and, if 24 are entered, six cars will be excluded after each of the previous periods leaving 12 cars eligible.

Sunday
14.00 Race

Friday
11.00-12.00 Free practice
14.00-15.00 Free practice

Saturday
11.00-12.00 Free practice
14.00-15.00 Qualifying to run as follows:

• From 14.00 to 14.15 all cars will be permitted on the track and at the end of this period the slowest five cars, taking into account only laps which were started before the end of the period, will be prohibited from taking any further part in the session. Lap times achieved by the fifteen remaining cars will then be deleted.
• From 14.20 to 14.35 the fifteen remaining cars will be permitted on the track and at the end of this period the slowest five cars, taking into account only laps which were started before the end of the period, will be prohibited from taking any further part in the session. Lap times achieved by the ten remaining cars will then be deleted.
• From 14.45 to 15.00 the ten remaining cars will be permitted on the track. The above procedure is based upon a Championship entry of 20 cars. If 22 are entered six cars will be excluded after each of the previous periods and, if 24 are entered, six cars will be excluded after each of the previous periods leaving 12 cars eligible.

Sunday
14.00 Race

Friday
11.00-12.00 Free practice
14.00-15.00 Free practice

Saturday
11.00-12.00 Free practice
14.00-15.00 Qualifying to run as follows:

• From 14.00 to 14.20 (Q1) all cars will be permitted on the track and at the end of this period the slowest seven cars will be prohibited from taking any further part in the session. Lap times achieved by the seventeen remaining cars will then be deleted.
• From 14.27 to 14.42 (Q2) the seventeen remaining cars will be permitted on the track and at the end of this period the slowest seven cars will be prohibited from taking any further part in the session. Lap times achieved by the ten remaining cars will then be deleted.
• From 14.50 to 15.00 (Q3) the ten remaining cars will be permitted on the track. The above procedure is based upon a Championship entry of 24 cars. If 22 cars are entered only six cars will be excluded after Q1 and Q2.

Sunday
14.00 Race