Use at the System architecture freeze review in Concept & System Architecture: the gate's criteria made checkable, the evidence pack, the decisions taken or frozen here, compliance and interoperability evidence, and the decision record. Run by the gate chair.
MustThe evidence pack reached every participant early enough to be read before the review.
MustThe people with decision rights for this gate are present or have named a delegate in writing.
MustConditions set at the previous gate are closed, or their status is reported with evidence.
ShouldThe criteria for this gate were agreed before the evidence was prepared.
MustSystem architecture description: reviewed and frozen.
MustSubsystem specifications: issued for every subsystem.
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