渡航 とこう自粛 じしゅく勧告 かんこくであれば
tokō jishukukan kokudeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 渡航自粛勧告

1. If/when travel self-restraint advisories are issued.; If/when there is a travel self-restraint advisory.

Ba Conditional