Finding and your answer
Ledger.IsAdjustment column (Boolean)
Direct match
99%
How the model read it
Current gold observes the qualified column `Ledger.IsAdjustment` as Boolean, matching the requested column kind and data type.
Workbook evidence
Cited current gold
Open questions
Confirm the operational rule used to classify late or manual postings as adjustments; the object and type are observed but value-level business logic is not.