1. Where, in the case of sub-central contracting authorities, restricted procedures or negotiated procedures are launched by the use of a prior information notice pursuant to Article 82(3) or Article 86(2), the prior information notice shall be published with the contents specified in a separate act of legislation. The prior information notice launching the procedure shall refer specifically to the subject-matter of the contract, it shall indicate whether the contract will be awarded by restricted procedure launched by a direct invitation to participate or negotiated procedure, furthermore, it shall invite economic operators to express their interest by the time limit set in the prior information notice.
2. Data concerning the subject-matter of the public procurement shall be given in the prior information notice announcing the procedure in such a way as to make it possible for economic operators to assess whether they intend to participate in the procedure.