Everywhere you look, there’s a new AI tool or software solution promising to save time, cut costs, and take your business to the next level. Automation is powerful, but when it comes to sales tax, software can fall short. And when it does, the consequences can be costly.
With over 13,000 U.S. sales tax jurisdictions, all with different rules and rates, automation is essential. But too many businesses assume software alone will keep them compliant. In reality, you need an expert alongside the software to catch errors before they snowball into audits, penalties, and interest.
Think of it like installing a Chrome plugin. Sometimes it doesn’t work until you update the browser, or worse, it only half works. Sales tax software can behave the same way: it may look like it’s running smoothly, but underneath, errors are quietly building.
Here are some real-world examples of what happened when sales tax automation failed, and why human oversight made all the difference.
1. API Failures: Data Not Flowing Correctly
One client’s sales tax software updated its API connection with Shopify. Suddenly, sales tax collected at checkout was no longer appearing in the reporting dashboard. The client filed six months of incorrect returns before the error was spotted. The result? Amended returns, penalties, and interest, with the software provider declining responsibility.
2. Collecting Tax in Every State (Without a License)
Another update caused the software to start collecting sales tax in all 50 states, even though the business was only registered in 24. That meant the business was illegally collecting taxes where it wasn’t authorized. By the time it was noticed, months had passed, and fixing the problem wasn’t simple.
3. Product Taxability Misclassification
Software had auto-classified dietary supplements as “grocery food” and exempted them in several states. In reality, states like Illinois tax these products. The result? Thousands in under-collected tax and unexpected liabilities.
4. Local Tax Rate Gaps
In complex states like Colorado and Louisiana, some providers only apply the base state tax rate, leaving out local jurisdiction taxes. This leads to chronic underreporting and significant audit exposure.
5. Filing Frequency Mistakes
Each state assigns a filing frequency (monthly, quarterly, annually). If sales grow, the state may change your schedule. Software requires manual updates to keep up. One business missed a notice and filed late for months, leading to avoidable fines.
Final Thoughts
Sales tax software is an essential tool, but it isn’t foolproof. Providers make it clear in the fine print: compliance is still your responsibility when sales tax automation fails. Without expert oversight, minor automation errors can turn into costly liabilities.
At RJM Tax Exemption, the best approach is a combination of software and a hands-on consultant. Our team monitors client filings, reviews product taxability, and identifies issues before they become costly and problematic.
Have questions about sales tax automation? Contact us to schedule a free consultation.
