...
The following criteria should be met before a story is presented to the team for backlog review.
Need
User or system roles and restrictions are defined.User intent is explicit.
Business outcome is clear.
The story clearly articulates the value to the user, or unlocks downstream technical opportunity or reduces future product/development risk.
The story has been reviewed and accepted by the usergroup.
The story priority has been accepted by the usergroup.
Expectations
User or system roles and restrictions are defined.
Workflow / UI expectations or assumptions are stated.
Fall-back, negative and alternative scenario flows are defined in addition to core flow, including example data.
Related functionality or behaviour that is out of scope is explicitly defined.
Necessary acceptance criteria are defined and sufficiently reflect story intent and constraints, that the solution design must consider.
...