noun which may take the genitive case particle 'no'
job-related; operational; business
Used as a no-adjective to describe something related to one's work or business operations.
This is a business secret.
in the course of one's work
Adverbial use indicating that something happens while performing one's job duties.
In the course of work, we may handle personal information.
corporate embezzlement; embezzlement in the course of business
professional negligence; occupational negligence
professional negligence resulting in death
(crime of) bodily injury caused by negligence in the conduct of business
Compound of 業務 (gyōmu, 'business') + 上 (jō, 'on; in relation to').