Simulateur

Calculating default interest on public procurement

This simulator makes it possible to evaluate the amount of default interest due by a public buyer who does not respect the statutory payment deadlines.

  • Companies awarded a public contract
  • Service free
  • 4 steps
  • Language French

Go to the simulator

Comment faire ?

  1. Prepare documents
  2. Enter the requested information
  3. Read the estimate of the rate and amount of default interest
  4. Eventually, download the simulation result in PDF format

  • Date of conclusion of the contract
  • Date of service done
  • Invoice Receipt Date
  • Invoice Amount

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Verified 18 August 2026 - Entreprendre Service Public / (Prime Minister)