所定 しょてい期間 きかん保存 ほぞんでしょう
shote iki kanhozondeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 所定期間保存

1. Will likely be preserved for the designated period.; Probably saved for the specified time.

Polite
Presumptive
Conjecture
Computing