5. Controlling costs and deadlines

Controlling the costs and deadlines of project tasks requires the establishment of management rules. Compliance with these principles covers all phases of a project, and is particularly important in the upstream phases. Indeed, although the majority of expenses are incurred during the development, production or use phases, they are induced by the studies carried out during the initial phases of the project (preparation of the CoCF and STB) and by the subsequent decisions.

This paragraph deals with two aspects:

• control by the supplier of the costs and deadlines for carrying out the work covered by the contract, including work to be carried out by its own suppliers;

• consideration of costs and lead times from a global cost perspective imposed on the supplier.

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