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じゃなかったです
tekikakuseikyū shotō hozonhōshikijanakattadesu

Noun
Desu Copula

The polite, past negative form of 適格請求書等保存方式

1. Was not a qualified invoice/receipt storage method.; Wasn't an appropriate way to keep qualified invoices/receipts.

Past/Perfective
Negative
Polite
Casual Register
Law