1.

Contracting authorities may use the negotiated procedure without prior publication of a contract notice, whatever the estimated value of the contract, in the following cases: where no tenders, or no suitable tenders, or no request to participate have been submitted in response to an open procedure or restricted procedure after the initial procedure has been completed, provided that the original terms of the contract as specified in the tender documents referred to in Article 138 are not substantially altered; where, for technical or artistic reasons, or for reasons connected with the protection of exclusive rights, the contract can be awarded only to a particular economic operator; in so far as is strictly necessary where, for reasons of extreme urgency brought about by unforeseeable events not attributable to the contracting authorities, it is impossible to comply with the time limits set for the other procedures and laid down in Articles 152, 153 and 154; where a service contract follows a contest and must, under the rules applying, be awarded to the successful candidate or to one of the successful candidates; in the latter case, all successful candidates shall be invited to participate in the negotiations; for additional services and works not included in the project initially envisaged or in the initial contract but which, through unforeseen circumstances, have become necessary for the performance of the services or works, subject to the conditions set out in paragraph 2; for new services or works consisting in the repetition of similar services or works entrusted to the economic operator awarded the initial contract by the same contracting authority, provided that these services or works conform to a basic project and that this project was the subject of an initial contract awarded under the open or restricted procedure, subject to the conditions set out in paragraph 3; for supply contracts: in the case of additional deliveries which are intended either as a partial replacement of normal supplies or installations or as the extension of existing supplies or installations, where a change of supplier would oblige the contracting authority to acquire equipment having different technical characteristics which would result in incompatibility or disproportionate technical difficulties in operation and maintenance; the duration of such contracts may not exceed three years; where the products are manufactured purely for the purpose of research, experiment, study or development, with the exception of commercial viability tests and large-scale production aimed at recovering research and development costs; in respect of supplies quoted and purchased on a commodity market; in respect of purchases on particularly advantageous terms, either from a supplier which is definitively winding up its business activities, or from the receivers or liquidators of a bankruptcy, an arrangement with creditors, or a similar procedure under national law; for building contracts, after prospecting the local market; for contracts for legal services according to the CPV nomenclature, provided that such contracts are appropriately advertised; for contracts declared to be secret by the institution or by the authorities delegated by the institution, or for contracts whose performance must be accompanied by special security measures, in accordance with the administrative provisions in force or when the protection of the essential interests of the Union so requires.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-04 · Text as adopted (Official Journal); later amendments are not incorporated in this text.