Editorial & Corrections Policy

Where our numbers come from, what we will and will not claim about them, and exactly what happens when one of them is wrong.

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Why this page exists

TaxesLedger publishes figures people use to price goods, reconcile receipts, and prepare filings. Getting one wrong has consequences beyond a bad user experience, so the standards we hold ourselves to should be written down and checkable rather than assumed. This page is that record. It is deliberately specific about our limits — an unsourced claim, a stale rate, and an overstated credential are all failures, and pretending otherwise would be the largest one.

Sourcing standard

Every rate on this site traces to a named authority in our source registry: 51 US state and District revenue departments, the Canada Revenue Agency plus 5 provincial finance ministries, the European Commission's VAT database, the Streamlined Sales Tax Governing Board, and research references including the Tax Foundation. The full list, with what each dataset draws on, is published on the Tax Data Sources page.

Three rules govern what gets published:

Verification status — and why some datasets say "needs refresh"

Each dataset carries one of three statuses, published openly rather than kept internal:

No small publisher can honestly claim continuous official verification of every rate across thousands of US jurisdictions. Publishing the status per dataset is how we keep that limitation visible instead of papering over it — and it is why our own pages avoid blanket "verified" badges.

How to report an error

Send it through the contact page using the Tax Rate Update / Correction category. The most useful reports include:

You do not need all four to send a report — a URL and "this looks wrong" is genuinely worth sending, and several rate corrections on this site started exactly that way.

What we do with it

  1. Acknowledge — we aim to reply within 2 business days.
  2. Verify against the authority — not against another calculator site. Aggregators copy each other; the revenue department is the arbiter.
  3. Fix at the source record, so every page, example, and calculator that uses the rate updates together. We aim to resolve within 5 business days.
  4. Check for the same class of error elsewhere. A single wrong rate is usually a pattern — a district rate recorded as a citywide rate, say — so a confirmed report triggers a sweep of comparable records rather than a one-line edit.
  5. Say so. Material corrections to a published figure are noted on the affected page's update date, and the dataset's review date is bumped.

Credentials, and what we do not claim

TaxesLedger is built and fact-checked against official sources by M. Imtinan Farooq, a data engineer specializing in financial data systems and multi-state US sales tax modelling. He is not a CPA, an enrolled agent, or a tax attorney, and the site does not describe him as one. Attribution across the site reads "data methodology reviewed by" precisely because that is the accurate description of the work.

Nothing here is tax, accounting, or legal advice. Our calculators and reference pages are built to help you understand and check a number — for a filing decision, use a credentialed professional or your revenue department directly.

Independence and advertising

The site is free and ad-supported through Google AdSense, which serves advertising automatically. Advertisers have no input into our rates, our rankings, our guides, or which tools we build. There are no sponsored pages, no paid placements, and no affiliate arrangements influencing what we publish or how we rank anything.

Corrections we have already made

As a matter of record, recent corrections have included city rates where a special improvement-district rate had been recorded as the citywide rate (Fayetteville, AR; Overland Park, KS), a city listed with a local tax it does not levy (Wichita, KS), and municipal rates omitted entirely (Morgantown and Wheeling, WV). Each was fixed at the source record and triggered a sweep for the same error class across other cities. We publish this because a corrections policy with no corrections in it is a claim, not a record.

· Rate source metadata is tracked in the TaxesLedger tax data registry.

M. Imtinan Farooq — Data Engineer focused on financial data systems

Data methodology reviewed by M. Imtinan FarooqData Engineer focused on financial data systems.

Imtinan specializes in financial data systems and multi-state US sales tax modeling. With hands-on experience building data pipelines that attach source metadata, confidence labels, and verification status to tax records, he helps keep TaxesLedger rates auditable and easier to refresh. This is an educational calculator, not tax, accounting, or legal advice. LinkedIn

Data Sources: State DORs · Canada Revenue Agency · EU VAT authorities · Tax Foundation references

Frequently asked questions

Quick answers to the most common questions users ask.

How do I report a wrong tax rate?
Use the contact form and choose the 'Tax Rate Update / Correction' category. Include the page URL, the rate we show, the rate you believe is correct, and — if you have one — a link to the official source. That last item is what lets us verify and fix same-day rather than adding it to a research queue.
How fast do you respond to a correction report?
We aim to acknowledge a correction report within 2 business days and to resolve it within 5. A report that arrives with an official source link is usually resolved faster because the verification step is already done. If a fix needs a wider data refresh across many pages, we say so in the reply rather than leaving the report open.
What does 'needs official refresh' mean on the Tax Data Sources page?
It means that dataset's rates were imported from an internal dataset with official source URLs attached, but have not been individually re-checked against the authority's current publication. It is a deliberate signal, not an oversight: we would rather label the gap than describe unverified figures as verified.
Is TaxesLedger reviewed by a CPA or tax attorney?
No, and the site does not claim otherwise. Content is built and fact-checked against official sources by a data engineer specializing in financial data systems. Attribution across the site reads 'data methodology reviewed by' for that reason. For filing decisions, use a credentialed professional or your revenue department.
Do advertisers influence what TaxesLedger publishes?
No. The site is ad-supported through Google AdSense, which serves ads automatically; advertisers have no input into rates, rankings, guide content, or which tools exist. No page on this site is sponsored, and there are no paid placements or affiliate rate comparisons.
Do you use AI to write content?
AI tooling assists with drafting and with checking consistency across thousands of pages, but every published rate traces to a named source in our registry, and factual claims are checked against those sources before publication. Where a claim cannot be sourced, it does not ship — we would rather a page be short than confidently wrong.
🇪🇺 EU Commission📊 OECD

Official Sources & Citations

All rates, thresholds, and regulatory guidance cited on this page are sourced from official government publications and non-partisan research institutions.

Federal & National Sources

🏛️

IRS Sales Tax Calculator

The official Internal Revenue Service tool for determining deductible state and local sales tax for federal income tax purposes.

irs.gov
📊

U.S. Census Bureau

Official government repository for quarterly state and local tax revenue statistics and government finance data.

census.gov
⚖️

Supreme Court — Wayfair Decision

The official government opinion for South Dakota v. Wayfair, Inc., establishing modern economic nexus standards for remote sellers.

supremecourt.gov
💼

SBA Business Tax Guide

Official Small Business Administration guidance on understanding federal and state tax obligations for small business owners.

sba.gov
🤝

Streamlined Sales Tax Board

The official inter-governmental organization facilitating the simplification of sales tax administration across 24 member states.

streamlinedsalestax.org

State Departments of Revenue

🌴

California CDTFA

Official CA tax rates portal, address-specific lookup tools, and district tax publications.

cdtfa.ca.gov
🤠

Texas Comptroller

The official Texas sales tax rate locator, local jurisdiction database, and nexus guidance.

comptroller.texas.gov
🍎

New York Tax & Finance

Official NY jurisdiction lookup for combined state, local, and MTA rates, and clothing exemptions.

tax.ny.gov
☀️

Florida Dept. of Revenue

Official FL resource for state sales tax rates, county surtaxes, and annual tax holidays.

floridarevenue.com
🏙️

MyTax Illinois

Official Illinois Department of Revenue portal for address-based tax rate lookups and filings.

tax.illinois.gov
🔔

Pennsylvania Revenue

Official PA portal for sales, use, and hotel occupancy tax rates and regulatory guidance.

revenue.pa.gov
🔍

Ohio 'The Finder'

Official Ohio Department of Taxation tool for looking up rates by address, ZIP, or GPS coordinates.

thefinder.tax.ohio.gov
🍑

Georgia Dept. of Revenue

Official Georgia sales and use tax rate charts and local jurisdiction tax distribution data.

dor.georgia.gov
⛰️

North Carolina DOR

Official NCDOR portal for state, local, and transit tax rates by county and jurisdiction.

ncdor.gov
🚗

Michigan Treasury

Official Michigan Department of Treasury resources for the statewide 6% sales and use tax.

michigan.gov

Canadian Tax Authorities

🍁

Canada Revenue Agency (CRA)

The authoritative source for federal GST/HST rates, provincial HST variations, and input tax credit rules.

canada.ca
⚜️

Revenu Québec

Official administration for Quebec Sales Tax (QST) and provincial GST/HST compliance requirements.

revenuquebec.ca

International Tax Bodies

🇪🇺

European Commission — VAT Guide

Comprehensive portal for VAT rates and rules across all 27 EU member states, including B2B/B2C regulations.

ec.europa.eu
🌐

OECD — Consumption Tax Database

Global comparative data on VAT/GST structures and consumption tax trends across OECD member nations.

oecd.org

TaxesLedger is an independent educational tool. We are not affiliated with any government agency. Rate records include source metadata and verification status; always confirm with your jurisdiction's official Department of Revenue before filing. Last registry update: September 11, 2026.