What is the Export Control Classification Number (ECCN) for Gurobi? Greg Glockner November 27, 2020 23:05 Updated Gurobi software is designated as EAR99, according to export laws of the United States. Any changes to this classification will be posted on this page. Related articles How do I cite Gurobi software for an academic publication? Gurobi 9.1.1 released How do I multiply an array and a 2-D MVar object using the matrix-friendly Python API? How do I configure an AWS EC2 instance so the license file remains valid? How do I implement lazy constraints in Gurobi?