expression, noun
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.
住民票の住所は、生活の本拠として登録される。
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.
Compound of 生活 (livelihood, daily life) and 本拠 (base, headquarters). The phrase is a modern legal term with no special historical derivation.