業務 and 事務: duties and administrative work
Compare regular duties with organizing invoices and simplifying administrative procedures. Read their scope and supporting systems while allowing the work to overlap.
Regular duties and continuity
業務 (ぎょうむ) refers to work or duties. 「午前中に通常の業務を終えて会議へ向かった。」 says the regular morning duties were finished before heading to a meeting. The completed work is that morning's duties.
「担当者が不在でも業務が滞らない仕組みを作る。」 describes making a system that keeps duties moving even when the person in charge is absent. The system's role is to keep that workflow from stalling in the person's absence.
Invoices and administrative procedures
事務 (じむ) concerns office work or administration. 「午前中は請求書を整理する事務を担当した。」 describes handling the administrative work of organizing invoices. Organizing the documents does not state that the invoiced money was received.
「事務の手続きを簡単にする仕組みを導入した。」 reports introducing a system that simplifies administrative procedures. Read the introduced system's role in making those procedures easier.
Different views of the work
These 業務 examples emphasize assigned duties and their continuity; the 事務 examples emphasize invoice organization and administrative procedures. Administrative work can be part of assigned duties, so the categories need not be separate.
Organizing invoices and supporting an uninterrupted workflow can describe aspects of the same work. Organizing documents, introducing a system, and paying money remain different statements.
Can the 事務 of organizing invoices be part of someone's 業務?
Show the answer and why
Yes. 事務 can identify the administrative area, while 業務 describes assigned duties and their flow. The same work can be described from both perspectives without making the categories exclusive.

