How To Write Non Functional Requirements

Writing non-functional requirements is one of those tasks that trips up even experienced BAs because the formats most teams default to were designed around user-facing behaviour. This article walks through three practical approaches for capturing system rules, constraints, and non-functionals, with guidance on choosing the right one for each situation. If you have a requirement sitting in front of you right now that does not fit neatly into a user story, this is where to start.