It has been decided/settled that
This phrase indicates that a decision has been made regarding a specific action or situation.
Exemplos
明日、会議があることになっている。
It has been decided that there will be a meeting tomorrow.
今日、営業することになっている。
It has been decided that we will operate today.
月曜日に市場へ行くことになっている。
It has been decided that we will go to the market on Monday.
Verificação rápida
Foi decidido que iremos ao mercado na segunda-feira.