Concerning aerodynamic devices which statement is not compliant to the rules?

1. A rear wing rearward of the driver head restraint is permitted if it‘s lower than 0.9 m from the ground
2. Aerodynamic devices mounted forward than 800 mm from the front tire are prohibited
3. All aerodynamic devices must be able to withstand a force of 150N distributed over certain surface
4. All aerodynamic devices in front of the front axle and extending further outboard than the most inboard point of the front tire/wheel must be higher than 250 mm from the groundCorrect