共同 きょうどう宣誓 せんせい供述 きょうじゅつ しょだったら
kyōdōsensei kyō jutsushodattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 共同宣誓供述書

1. If it were a joint sworn statement.; If it had been a joint sworn statement.

Tara Conditional