OBS_VALUE: It is forbidden to the public agent designated to act in the area of public tender and contracts, except in cases provided for by law, to establish differentiated treatment of a commercial, legal, labour, social security or any other nature between Brazilian and foreign companies, including with regard to currency, modality and place of payment, even when financing comes from an international agency. There is, however, a restriction under measure 3_2_1 for Computer services, which hinders also the conditions of competition.