The first question is always who counts as in scope. Fields that are frequently empty are reported as such rather than quietly filled. Delivery includes a plain statement of what the file will not do.
Handover walkthrough
Going through the file, its columns and its limits with whoever will use it.
Manual review queue
Setting aside the cases a rule cannot settle, for somebody to look at.
Threshold disclosure
Naming the cut-off used wherever a judgement was made on a score.
If you need this verified independently, say so at the start.