Validate a regulatory-reporting package before human sign-off: check input completeness, transformation/edit-check consistency, source reconciliations and tie-outs, period-over-period variance, timeliness against the due date, and preparer/reviewer/approver sign-off evidence (including segregation of duties), producing cited findings and a deterministic filing-readiness band. Use when a regulatory-reporting or finance-control user asks "validate this Call Report / FR Y-9C / FR 2052a / COREP package", "do the numbers tie to the GL", "is this report complete and on time", "check the sign-off evidence", or needs a review-ready exception list before filing. HARD BOUNDARY: thi…