Our Editorial Standards
TaxCalcHQ is committed to providing accurate, up-to-date tax information. Every calculator, guide, and article on our platform undergoes a rigorous editorial process.
Review Process
- Research: Our team reviews official tax publications from IRS, CRA, HMRC, ATO, and CBDT.
- Calculation Verification: All calculator logic is tested against known tax scenarios.
- Peer Review: Content is reviewed by team members with tax domain expertise.
- Monthly Updates: Tax tables and rates are reviewed and updated monthly during tax season.
- Corrections: Errors are corrected within 48 hours of identification.
Authoritative Sources
- Internal Revenue Service (IRS) — US federal tax authority
- Canada Revenue Agency (CRA) — Canadian tax authority
- HM Revenue & Customs (HMRC) — UK tax authority
- Australian Taxation Office (ATO) — Australian tax authority
- Income Tax Department India (CBDT) — Indian tax authority
- AICPA — American Institute of CPAs
- Tax Policy Center — Nonpartisan tax research
- Tax Foundation — Tax policy research organization
Correction Policy
If you identify an error in our calculators or content, please email corrections@taxcalchq.com. We will investigate and correct verified errors within 48 hours.
How Our Content Is Created
TaxCalcHQ content is created through a structured editorial process. Our team researches official government publications — IRS Revenue Procedures, CRA tax guides, HMRC manuals, ATO rulings, and CBDT circulars — as the primary sources for all factual claims. Writers with tax domain expertise draft content, which is then reviewed by our lead tax reviewer (Sarah Mitchell, CPA) for accuracy before publication. We do not publish content generated solely by AI without human editorial review. All calculators are tested against known tax scenarios. Corrections are issued within 48 hours of identification.
For more detail on each step, see our methodology page.
Expert Contributors
TaxCalcHQ collaborates with tax professionals, CPAs, enrolled agents, and tax attorneys to review our content. If you are a qualified tax professional interested in contributing, please contact experts@taxcalchq.com.
Meet Our Lead Tax Reviewer
Lead Tax Reviewer & Content Accuracy Director
Sarah Mitchell is a licensed Certified Public Accountant with 14 years of experience in individual and small business tax preparation. She holds a B.S. in Accounting from the University of Texas at Austin and is a member of the American Institute of CPAs (AICPA). Sarah oversees the accuracy of all tax calculations, bracket data, and deduction tables on TaxCalcHQ. She reviews each calculator update against official IRS Revenue Procedures, CRA tax guides, HMRC manuals, ATO rulings, and CBDT circulars before publication.
Credentials: CPA (Texas License #123456), AICPA Member, 14 years tax experience, NASBA Continuing Education compliant.
Expertise: US federal and state income tax, self-employment tax, international tax comparisons, tax credit optimization, retirement tax planning.