既存 きそん 適格 てきかく建築 けんちく ぶつだったら
kison futekikakukenchikubutsudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 既存不適格建築物

1. If/when it's an existing ineligible building.; If/when it's an existing non-conforming building.

Tara Conditional