適格てきかく請求せいきゅうしょとう保存ほぞん方式ほうしきなら
tekikakuseikyū shotō hozonhōshikinara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 適格請求書等保存方式

1. If/when qualified invoice preservation method; If/when proper invoice storage method

Nara Conditional
Law