Bookkeeping Basics
Sales Tax and Your Books: What Small Businesses Should Track
Quick answer
Sales tax collected from customers is not your income. It is a liability you owe to the taxing authority. Record it separately from sales, track it by jurisdiction if you file in more than one, reconcile the balance to each return and payment, and keep the records your CPA or the state may ask for. Rules differ by state, so confirm yours.
Whether you must collect sales tax, on what, and at what rate depends on your state and sometimes on your city or county. That is a question for the state revenue agency or your CPA. What your bookkeeping controls is how the tax is recorded once it exists.
Collected tax is a liability, not income
When a customer pays tax on a sale, the business holds that money until it is remitted. In the books, the sale goes to revenue and the tax goes to a sales tax payable account. If the tax is mixed into revenue, profit looks higher than it is and the amount owed is hard to see.
What to track
- Taxable and non-taxable sales. Mark each sale correctly so reports separate them.
- Tax collected by jurisdiction. If you file in more than one state or area, keep each separate.
- Tax paid on purchases. Treatment depends on your situation, so ask your CPA.
- Exemption certificates. Keep the paperwork for customers who do not pay tax, such as resellers.
Reconcile the liability like a bank account
The sales tax payable balance should equal what you have collected and not yet paid. Each time you file, compare the return to the books, record the payment against the liability, and investigate any difference. A balance that drifts every month means something is being recorded wrongly. This is the same discipline as bank reconciliation.
Marketplace and online sales
If you sell through marketplaces, some platforms collect and remit tax for certain sales. Your books still need to show what was collected, by whom and for which orders. Our ecommerce bookkeeping guide covers sellers in more detail.
Why the monthly report matters
A monthly sales tax liability figure gives you a running answer to how much of the cash in the bank belongs to the state. Owners who watch only the bank balance can mistake collected tax for available cash, then struggle when a return is due. A reconciled liability line on the balance sheet prevents that surprise.
Records to keep
Keep copies of returns, payment confirmations and exemption certificates in a place your bookkeeper and CPA can both reach. How long to keep them depends on your state, so ask your CPA for the period that applies to you.
Common mistakes
- Recording gross receipts, including tax, as revenue.
- Paying the tax from a personal account and not recording it.
- Missing a return period because nothing reminded anyone.
- Changing rates in the software without noting the effective date.
Getting help
A bookkeeper can keep the liability reconciled and the reports ready for your filing. Filing and advice come from your CPA or the state. See monthly bookkeeping or contact Mispar.
Frequently asked questions
Is sales tax an expense?
No. Tax collected from customers is a liability. It is owed to the taxing authority and is not part of your income.
Do I need to collect sales tax?
It depends on what you sell, where, and your state's rules. Check with your state revenue agency or CPA.
Can Mispar file my sales tax returns?
Mispar provides bookkeeping only. We keep the records and liability reconciled, and your CPA or the state handles filing.
Why does my sales tax payable balance never reach zero?
Some balance is normal between collection and payment. A growing or unexplained balance means returns or payments are not recorded correctly.
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Written by
Moshe
Senior Account Manager, Mispar
Moshe is a Senior Account Manager at Mispar who works directly with small business owners and freelancers to keep their books clean, reconciled, and tax-ready every month.
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