Feudal and Clan governments have access to the Crown Authority Law, which can be increased after researching the required [[Innovation]] and can be changed once every 20 years. Level 2 Crown Authority requires the {{iconify|Planned Assemblies}} innovation (Tribal era), while levels 3 and 4 require the {{iconify|Royal Prerogative}} innovation (Early Medieval era). | Feudal and Clan governments have access to the Crown Authority Law, which can be increased after researching the required [[Innovation]] and can be changed once every 20 years. Level 2 Crown Authority requires the {{iconify|Planned Assemblies}} innovation (Tribal era), while levels 3 and 4 require the {{iconify|Royal Prerogative}} innovation (Early Medieval era). |