건축 당시 내진성능 확인 의무대상이 아니었던 건축물․주택이라도, 대수선을 통해 내진설계를 하는 경우 감면 혜택이 부여된다.
Even buildings and houses that were not subject to the obligation to verify seismic performance at the time of construction will be given a reduction or exemption if seismic design is carried out through a large-scale line.