1. Public sector proposal, n 108 above, Art 53a. On EU law see ‘Electronic Reverse Auctions under the EC Public Procurement Rules’ 11 PPLR (2002) 299.
2. See the draft Model Law (A/CN.9/WG.V/WP.24) and commentary by the secretariat (A/CN.9/WG.V/WP.25) annexed to the Report of the Working Group on the New International Economic Order on the work of its 1 l th session.
3. This is connected with the previous question, since lists provide most advantages when their use for advertising combines with the possibility of restricting access to registered suppliers, but it is possible to require registration and also require advertisement, and to require the entity to admit those responding to the advertisement, at least if there is time.
4. Selection procedure without negotiations, selection procedure with simultaneous negotiations and selection procedure with consecutive negotiations: Model Law Arts 37–45.
5. Hermman , n 3 above 29.