Active duty military members and their spouses have some special protections when it comes to changing their domicile (state of legal residence) each time they move. However, there are often situations in which the active duty member may choose to change their domicile, or the military spouse may choose or be required to change their domicile. (For more information, you might want to see Tax Filing As A Military Spouse.) How do you change your state of legal residence? For tips, see this Paycheck Chronicles post.