the technical specifications cannot be established with sufficient precision by the contracting authority with reference to a standard, as set out in point 17.3;
ní féidir leis an údarás conarthach na sonraíochtaí teicniúla a shuíomh le cruinneas leordhóthanach de réir caighdeáin, mar a leagtar amach i bpointe 17.3;