Core Components of a Quarterly Tax Review
Quarterly reviews evaluate multiple tax and accounting elements that can influence reported financial performance.
- Tax accrual balances
- Deferred tax adjustments
- General ledger tax entries
- Tax payment activities
- Supporting schedules
- Intercompany transactions
- Period-over-period trend analysis
Review teams commonly apply Analytical Review (Journal Entries) procedures and Reconciliation Quality Review activities to identify inconsistencies and unusual movement patterns.
How the Quarterly Review Process Works
The process begins after quarter-end accounting activities are completed. Teams gather tax-related balances, compare them against supporting documentation, and evaluate significant fluctuations.
Typical review activities include:
- Comparing current quarter and prior quarter balances
- Reviewing tax account classifications
- Verifying tax accrual calculations
- Investigating significant variances
- Reviewing supporting schedules
- Documenting findings and corrective actions
Quarterly reviews often combine operational analysis with broader reporting procedures because tax balances influence multiple financial areas.
Practical Example
Assume an organization enters quarter-end with these balances:
- Opening tax liability: $400,000
- Current quarter tax expense: $180,000
- Quarterly tax payments: $150,000
Expected closing liability:
Closing Tax Liability = Opening Liability + Current Tax Expense − Tax Payments
Closing Tax Liability = $400,000 + $180,000 − $150,000
Closing Tax Liability = $430,000
If the tax ledger shows a closing balance of $452,000, the review identifies a variance of $22,000 that requires investigation and supporting documentation.
Business Impact and Reporting Value
Quarterly tax reviews contribute to stronger visibility into reporting trends and help leadership teams assess changes in tax exposure over time.
Outputs from these reviews frequently support Quarterly Business Review (QBR) sessions and provide inputs for Working Capital Performance Review activities.
Tax results are also frequently considered during Cash Flow Statement Review discussions because payment timing and liabilities can directly influence cash movement.
Relationship with Other Review Activities
Quarterly tax reviews are often integrated into broader governance and performance activities throughout the organization.
Organizations may align quarterly tax analysis with Monthly Business Review (MBR), Procurement Performance Review, and Budget Accountability Review discussions to strengthen financial planning and reporting consistency.
Additional controls frequently include User Access Review (Data) and Implementation Compliance Review procedures.
Best Practices
- Maintain complete supporting documentation
- Investigate material variances promptly
- Track recurring adjustments
- Review prior-quarter trends
- Document review outcomes clearly
- Validate account classifications consistently
Summary
Quarterly Tax Review is a period-based control activity that validates tax balances, supporting records, and reporting accuracy at quarter-end. Effective quarterly reviews improve operational efficiency, support financial performance visibility, and strengthen the quality of financial reporting.