Payroll tax-plan workbook and quarterly withholding forecast — "Withholding rates stay on last year's plan after a mid-year jurisdiction change"
Why the manual spreadsheet breaks financial controls and how a deterministic workflow replaces it.
The annual payroll tax plan lives in a workbook that is copied forward each year, so a mid-year work-jurisdiction change never rewrites the withholding table for the next locked run.
Withholding stays on last year's plan after a jurisdiction change, and the amendment is only noticed when the quarterly return disagrees with the register.
HRIS jurisdiction webhook that versions the payroll tax plan and recalculates withholding for every employee whose work location changed on or before check date.
Plan assertion: a pay run cannot lock if any employee has an HRIS jurisdiction change effective on or before check date that is not reflected in the tax plan used by that run.
Three-stage comparison between manual workbook reconciliation and automated rule-based execution.
The payroll tax plan is copied forward; jurisdiction changes miss the next run.
Withholding stays on last year's plan after a mid-year jurisdiction change.
HRIS location changes version the plan before the next lock.
A pay run cannot lock if an HRIS jurisdiction change effective on or before check date is missing from the tax plan.
Adjacent spreadsheet failure modes in the same APQC Category 9 process group.
Year-end W-2 compilation workbook and payroll register export
Shared payroll inbox and unresolved-inquiry tracker sheet
Remote worker payroll tax jurisdiction spreadsheet and nexus review file
Scope the replacement architecture for manual maintenance of the annual payroll tax plan or combine multiple failure modes in the directory.
