The contract may be amended when, subject to the limit set out in article R. 2194-3, additional works, supplies or services, whatever their amount, have become necessary and were not included in the initial contract, provided that a change of contractor is impossible for economic or technical reasons relating in particular to requirements for interchangeability or interoperability with existing equipment, services or installations purchased under the initial contract.
Article R2194-2
Updated 7 Nov 2023

