By Tony Juraska · Updated October 16, 2026
Quick answer: Common pay stub mistakes include the wrong pay period, incorrect hours or rates, omitted or duplicate deductions, and year-to-date figures carried forward incorrectly. Compare each line with its source record before changing the document: an unfamiliar figure is not automatically an error.
1. Confusing the pay period with the pay date
The pay period describes the work or earnings covered; the pay date identifies when payment is made. Compare both with the payroll calendar. A payment can occur after the period ends. Do not change the period merely to make the two dates match.
2. Using the wrong hours or rate
Compare regular hours with approved time records and check when a rate change took effect. Keep overtime and other earning categories separate. A salary payment may also need a documented adjustment for the specific period.
For an arithmetic-only example, 38 hours at $20 gives $760 in regular earnings. Entering 40 hours instead would produce $800, a $40 difference. This example does not determine overtime eligibility or tax withholding. Review the overtime guide for the separate overtime checks.
3. Omitting or duplicating a deduction
Check each line against the applicable election, authorization or payroll calculation. A new benefit election or one-time adjustment can explain a change. Check both the label and amount: two similarly named lines may be different items, while a duplicated amount may be an entry error.
Use the deductions guide to understand the categories. Do not set a tax line to zero simply because you cannot explain it.
4. Expecting one deposit to equal the entire net pay
A split deposit, separate payment or returned payment can explain a difference. Compare the full set of payment records, not just one bank transaction. Where a simple statement contains only earnings and employee deductions, net pay should reconcile to gross earnings minus those deductions.
For example, $1,000 of gross pay minus $220 of deductions gives $780 net pay. A $500 deposit plus a $280 deposit can account for that total. The figures are illustrative, not a tax calculation.
5. Carrying year-to-date totals forward incorrectly
Check the prior accepted total, the current amount and any correction or reversal. Compare the same category and tax year. YTD gross pay, taxable wages and net pay are different measures, so they need not match.
For example, prior YTD gross pay of $12,000 plus $1,000 current gross pay gives $13,000 when there are no other adjustments. Read what year-to-date means before comparing unlike totals.
6. Leaving outdated identity details
Check the employer, employee and intended period before reusing a previous document. Do not copy another person’s identifying information. Use only the identifiers needed for the document and applicable requirements.
7. Treating a corrected PDF as a corrected payroll run
Editing a statement does not move money or update tax filings. If an error affects wages, withholding or a payment, investigate those records too. Preserve the original issued statement and document the reason for the correction.
What to do when you find a possible mistake
- Record the period, line item, displayed amount and expected amount.
- Identify the source evidence: time record, rate approval, deduction election or previous statement.
- Ask the employer or payroll team to investigate rather than altering an employer-issued statement yourself.
- For authorized payroll staff, follow the pay stub correction workflow and reconcile affected records.
- Check the replacement and retain both versions with the explanation.
Prevent repeat errors
Use the pay stub accuracy checklist before issuance and the payroll recordkeeping guide to retain supporting evidence. A consistent process makes discrepancies easier to find, but a template cannot guarantee accuracy.
Is a different net amount always a mistake?
No. Different earnings, deductions, tax inputs or adjustments can change it. Compare the underlying lines before drawing a conclusion.
Should I recreate a missing employer pay stub?
Request the issued copy from the employer or payroll provider first. Do not guess amounts to fill gaps in the record.