Multi-File Tax Reconciliation Workflow When reconciling complex multi-document tax filings (1099s, worksheets, cost-seg studies, depreciation schedules), invoke authoritative source files in parallel, establish a single master document as source-of-truth (e.g., tax-preparation-worksheet.yaml), then systematically verify each supporting document against that master using specific cross-references (EIN, TIN, account numbers, line items). Document reconciliation gaps and missing referenced materials (e.g., WRK-1319 cost-seg study) before proceeding to analysis. This prevents downstream errors an…