78) Supply of tyres :

a) Any tyre company wishing to supply tyres to Formula One Teams must notify the FIA of its intention to do so no later than 1 January preceding the year during which such tyres will be supplied.

Any tyre company wishing to cease the supply of tyres to Formula One Teams must notify the FIA of its intention to do so no later than 1 January of the year preceding that in which such tyres were to be supplied.

b) No tyre may be used in the Championship unless the company supplying such tyre accepts and adheres to the following conditions :
- one tyre supplier present in the Championship : this company must equip 100% of the entered teams on ordinary commercial terms ;
- two tyre suppliers present : each of them must, if called upon to do so, be prepared to equip up to 60% of the entered teams on ordinary commercial terms ;

- three or more tyre suppliers present : each of them must, if called upon to do so, be prepared to equip up to 40% of the entered teams on ordinary commercial terms ;
- each tyre supplier must undertake to provide only two specifications of dry-weather tyre and three specifications of wet-weather tyre at each Event, each of which must be of one homogenous compound only;
- if, in the interests of maintaining current levels of circuit safety, the FIA deems it necessary to reduce tyre grip, it shall introduce such rules as the tyre suppliers may advise or, in the absence of advice which achieves the FIA's objectives, specify the maximum permissible contact areas for front and rear tyres.

79) Quantity and type of tyres :

a) The same driver may not use more than a total of thirty two dry-weather tyres and twenty eight wet-weather tyres throughout the entire duration of the Event.