primary residence; domicile
Legal term referring to the place where a person's life is centered; used in contexts such as tax, family registration, and civil procedure.
The address on the resident record is registered as one's primary residence.
裁判では、生活の本拠がどこにあるかが争点になった。
In the trial, the location of the primary residence became a point of contention.
住所 is a general term for address or residence, while 生活の本拠 is a legal concept emphasizing the center of one's life.
居所 is a legal term for a place where a person stays temporarily, contrasted with 生活の本拠 which implies a more permanent base.
Compound of 生活 (livelihood, daily life) and 本拠 (base, headquarters). The phrase is a modern legal term with no special historical derivation.