The JJ&A Journal
Tax Strategy 9 min read

The $443,316 Hiding Behind “Filed and Paid”

A regional company filed every return and paid on time. For nearly two years, no one reconciled the three numbers that actually matter—so the duplicate overpayments quietly stacked up.

The JJ&A Accounting TeamGreensboro, NCMay 28, 2026

Two years. That’s how long this went unnoticed before we were brought in. We identified it within the first month.

A regional service company came to us for accounting support and operational cleanup. During our initial review, our team began tracing historical tax payments, filing behavior, and remittance patterns.

What the review uncovered
$443,316.99

in duplicate Sales & Use Tax overpayments—identified within the first month of our engagement, after sitting unnoticed for nearly two years.

It wasn’t fraud. It wasn’t some exotic loophole. It was a critical financial-control failure sitting quietly in the background for nearly two years while money continuously left the business.

A filed return is not proof that the process is working.
The lesson behind the recovery

“Books are done” does not mean someone is actually reviewing what’s happening. Many firms never look past whether the forms were submitted—and that mindset is expensive. Real oversight means reconciling systems, tracing inconsistencies, questioning patterns, and investigating financial behavior that doesn’t make sense.

Unnoticed
2 years

Returns filed. Payments made. No reconciliation.

To find it
1 month

Tracing payments, filings, and remittance patterns.

Figure 1 — Time to detection. The gap between “filed” and “reviewed.”

The recovery structure is now in place, and ongoing monthly credits are actively reducing future tax liability. Most firms record history. We build systems that explain it—and catch what everyone else missed.

The playbook

How to calculate, file, and reconcile NC Sales & Use Tax

Most Sales & Use Tax problems aren’t caused by misunderstanding tax law—they’re caused by process failures. The good news is that North Carolina compliance is straightforward when a consistent process is followed.

Step 1 — Determine whether your sales are taxable

North Carolina imposes a statewide Sales & Use Tax rate of 4.75%, with county and transit taxes bringing most jurisdictions to between roughly 6.75% and 7.50%. Confirm whether each product or service is taxable, whether exemptions apply, and whether sales are sourced to the correct county.

Statewide base4.75%
Most jurisdictions (low)6.75%
Most jurisdictions (high)7.50%
State base 4.75% County + transit
Figure 3 — How an NC rate is built. Statewide base plus county & transit taxes.

Step 2 — Calculate taxable sales

Each period, start with gross sales, then subtract exempt sales, resale transactions, and other allowable deductions to reach taxable sales. Apply the appropriate state and local rates, and keep records showing where taxable transactions occurred if you operate in multiple counties.

Step 3 — File Form E-500

Returns are generally filed electronically using Form E-500, on a monthly, quarterly, or annual frequency depending on your activity. Returns are typically due on the 20th of the month following the reporting period.

Reporting period
Return due
January
February 20
February
March 20
March
April 20
Figure 5 — Example monthly filing deadlines (due the 20th of the following month).

Step 4 — Submit payment

After filing, submit payment through the Department of Revenue’s electronic system. Retain filing confirmations, payment and ACH confirmations, and bank records showing settlement. These become critical if discrepancies arise later.

Step 5 — Perform a monthly reconciliation

This is the step most businesses skip—and it’s exactly where the $443,316.99 was hiding. Every month, compare three figures.

01
Reported on the return

What Form E-500 actually reported as the tax due.

02
Payment submitted

How much money was transmitted to the Department of Revenue.

03
Cleared the bank

What actually settled and cleared the business bank account.

If they don’t match, investigate immediately—do not assume it resolves next month.
Figure 2 — The monthly reconciliation. These three figures must agree.
Where it goes wrong

Common causes of overpayments

Most overpayments aren’t tax-law issues—they’re accounting-control issues. Our reviews frequently surface a familiar set of culprits.

Duplicate ACH payments
Manual payments submitted after automatic drafts
Duplicate entries in accounting software
Filing-software conversion errors
Incorrect liability-account reconciliations
Prior-period adjustments entered twice
Staff turnover that duplicates processes
Cumulative duplicate overpayment$443,316.99
Month 1Month 24
Figure 4 — How the overpayment compounded across ~24 monthly filings, unreviewed.

Maintain a Sales Tax Liability account

A dedicated Sales Tax Payable account should be reconciled every month: tax collected, minus tax remitted, equals outstanding liability. Unexpected balances often point to filing errors, duplicate payments, or unreconciled activity.

The businesses that avoid costly surprises are the ones that routinely verify that what was reported, what was paid, and what cleared the bank all agree. That simple monthly discipline can prevent years of unnoticed overpayments—or surface recoveries that would otherwise stay hidden.

How JJ&A can help

Greensboro · The Triad

Wondering what your “filed and paid” is hiding?

We reconcile what most firms only file. Let’s look at your numbers and find out what’s sitting quietly in the background.

Book a conversation

This article is for general information and is not tax or legal advice. Rates and rules change—confirm current figures with the North Carolina Department of Revenue or a qualified professional.