This is the 3881st most frequent Korean word.
업무상
"Related to work" or "work-related."
'업무상' indicates that the necessity of the documents arises due to work-related matters.
업무상 필요한 서류를 준비해야 합니다.
You need to prepare the documents necessary for work.
Here, '업무상' specifies that the reason for non-attendance is related to professional obligations.
업무상 이유로 이 회의에는 참석할 수 없습니다.
I cannot attend this meeting due to work-related reasons.
In this sentence, '업무상' is used to describe activities that occur as a general aspect of one’s job or duties.