To obtain the official PDF:
The 2021 Green Book is no longer restricted to simple or repetitive works of short duration and limited capital value. Its intended use is much broader than the 1999 edition. Projects where parties wish to avoid committing significant resources to contract administration and management, or where the perceived level of risk is low, are now explicitly within its scope. FIDIC no longer provides specific quantitative criteria (such as the USD 500,000 threshold or six-month duration) for its use, reflecting the way the contract has been applied in practice for years. fidic short form of contract 2021 pdf
There are no complex measurement certificates. The Contractor submits invoices, and the Employer pays. If the Employer doesn't pay, interest accrues immediately. To obtain the official PDF: The 2021 Green
Several companion resources are also available to assist users of the Green Book: If the Employer doesn't pay, interest accrues immediately