Section 4: Players & Officials
- Each Competitor must satisfy the FIA and the stewards that its car complies with these regulations at all times during a Competition; for power units the duty extends to the PU Manufacturer (Article C1.5)
- The FIA technical delegate establishes the driver's reference mass (Article C4.5.1) and selects the dry-weather tyres used for weighing when a car is not already fitted with them (Article C4.1)
- The stewards may prohibit the participation of a car whose construction is deemed dangerous, with immediate effect if this becomes apparent during a session (Article C1.2)
- Clarification of a new design or system may be sought from the FIA Formula One Technical Department (Article C1.3), and CAD models may be requested by the FIA to check compliance (Article C1.5)
- Article C13 defines the safety structures and the homologation processes that every car eligible to race must satisfy (Article C13.1.1)