official appointment notice

I received the notice.

私は辞令を受けました

I formally received the notice.

私は辞令を正式に受けました

I formally received the notice of a posting to the overseas branch.

私は海外支社勤務の辞令を正式に受けました

I formally received the notice of a posting to the overseas branch from the HR officer.

私は人事担当者から海外支社勤務の辞令を正式に受けました

I formally received the notice of a posting to the overseas branch from the HR officer in the head office meeting room.

私は本社会議室で人事担当者から海外支社勤務の辞令を正式に受けました