noun
permanent establishment
A fixed place of business through which the business of an enterprise is wholly or partly carried on, as defined in tax treaties and domestic tax law.
外国企業が日本に恒久的施設を持つ場合、日本で課税されることがある。
If a foreign company has a permanent establishment in Japan, it may be taxed in Japan.
恒久的施設の定義は租税条約によって異なる。
The definition of permanent establishment varies depending on the tax treaty.
Compound of 恒久的 (permanent) + 施設 (establishment, facility). The term is a direct translation of the English legal term 'permanent establishment'.