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いです
tekikakuseikyū shotō hozonhōshikijanaidesu

Noun
Desu Copula
Negation Auxiliary

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

1. Not an eligible invoice preservation method.; It's not the proper way to keep eligible invoices.

Negative
Polite
Casual Register
Law