Article C18.5.4

DSPUC Supplier Specifications

Technical Regulations

Article C18.5.4

FIA Source

DSPUC Supplier Specifications

Chapter: C18

In Simple Terms

All F1 teams must buy the same standard parts from official suppliers at the same price. These parts can't change for two years, except when the FIA approves updates to make them more reliable or cheaper.

  • All teams get identical technical specifications from DSPUC suppliers
  • Teams must receive the same commercial terms and pricing
  • Specifications remain fixed for two calendar years
  • Only reliability improvements or cost reductions can be made with FIA approval
Official FIA Text

DSPUC suppliers must make single technical specification available to all manufacturers on identical commercial terms. Specifications must remain unchanged for two calendar years except for reliability/cost changes approved by FIA.

dspucsupplier specificationstechnical regulationscost controlparts standardization
2026 Season Regulations