The article explains the registration criteria for companies to participate in a program aimed at reducing nitrogen emissions, specifically targeting those that emit over 2500 mol of nitrogen per year. The program is designed to ensure that the nitrogen deposition on nearby Natura 2000 areas, identified as overloaded, does not exceed certain thresholds. The thresholds have been determined based on the designation of these areas as overloaded in the Lbv and Lbv-plus, published in June 2023.