The purchaser shall reject a tender as abnormally low in the following cases :
1° Where the information provided by the tenderer does not satisfactorily justify the low level of the price or costs proposed;
2° Where it is established that the tender is abnormally low because it contravenes, in terms of environmental law, social law and labour law, the obligations imposed by French law, including the applicable collective agreement(s), by European Union law or by the stipulations of the international agreements or treaties mentioned in a notice annexed to this code.