Leaving your regiment
You're allowed to leave your regiment whenever up to the rank of Lance Corporal.
When you are ana NCO you need to ask the permission of an officer before you're allowed to leave, an officer may deny your leave for up to 1 week if there is a reason for it, after which they must let you leave. You may also not leave during the request, or duration of an inactivity notice
When you are an officer you must ask permission from HICOM in order to leave. They may hold you in their regiment for up to 3 weeks if there is a reason for it, after which they must let you leave. HICOM must then demote you to Ensign and you must look for a new regiment. If you can't find a new regiment to join within 1 week then you'll get demoted by the auto demoter.
When you are a LTCOL you must ask your CO's permission to leave, the same rules of officers apply.
When you are a COL you must ask HQ's permission to leave, they may hold you up to an indefinite amount of time if there is reason to. After which you'll be demoted to Ensign.
HQ is only allowed to leave with nixpc'LuigirulerHD's permission.
Leaving your regiment without permission will result in a demotion to Militia and a Treason report.