Sales at a loss, or sales below cost, are referred to in article 3 of Decree-Law n.º 370/93, of 29th of October 1993, as modified by Decree-Law n.º 140/98, of 16th of May 1998.
Sales at a lost consist in selling, or offering for sale, a product at a price below its wholesale price plus taxes and transport costs.
Such behaviour is susceptible to have a negative impact, both, on producers and competitors with no expected contribution for consumers’ welfare.