A first SOX year often fails not because controls are weak, but because the scope list is either too thin or impossibly wide. Significant accounts should follow quantitative thresholds tied to consolidated materiality, then a qualitative overlay for accounts that invite fraud risk or complex estimates.
For Taiwan-based entities with overseas sales subsidiaries, start with revenue, accounts receivable, inventory, and the period-end close. Ask whether a location posts material journal entries or holds custody of assets. If the answer is no and balances sit below your threshold, document the exclusion rather than forcing a full walkthrough.
Process owners need a one-page map: account, related process, key control owner, and whether design evaluation or operating tests apply this year. Without that map, readiness work drifts into endless narrative drafting.
Revisit scope after major acquisitions or ERP cutovers. A control that looked immaterial last quarter can become significant overnight when volume shifts.