In the negotiated procedure public tender for the services involving printing, folding, enveloping and sending bills to customer addresses relating to the services managed by the Hera Group companies (including AcegasApsAmga) for a total tender amount of around Euro 70 points reserved for the technical components, 20 were dedicated to environmental sustainability (use of eco-compatible paper, biodegradable envelopes and vegetable inks, use of eco-compatible technologies and possession of “ecoprint” certification) and 50 to other technical aspects for handling the process.