Before revision: Irregular border crossings The EU Border and Coast Guard Agency (Frontex) uses the terms "illegal" and "irregular" border crossings for crossings of an EU external border but not at an official border-crossing point.
After revision: Illegal border crossings The EU Border and Coast Guard Agency (Frontex) uses the terms "illegal" and "irregular" border crossings for crossings of an EU external border but not at an official border-crossing point.