A business analyst (BA) is working on an initiative to decommission a legacy system and has discovered the requirement `'Ability to view policies created m the legacy system for a period of 6…

Functional requirements define permanent capabilities the solution must deliver, not temporary access needs tied to a system transition window.

Transition requirements are temporary needs that only exist during the changeover from one state to another, per the BABOK classification schema. The ability to view legacy policies for 6 months is explicitly tied to the decommissioning period and will no longer be needed once the transition is complete. This time-bounded, change-driven nature is the defining characteristic of a transition requirement.

Non-functional requirements specify quality attributes such as performance, availability, or security - not time-limited data access during a migration.

Business requirements describe high-level organizational goals and outcomes, not specific temporary data viewing needs during a decommission project.