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Reviewed by: William McLee
Reviewed date:
January 9, 2026

What California Form DE 9ADJ (2013) Is For

California Form DE 9ADJ (2013) corrects previously filed quarterly payroll tax documents submitted to the Employment Development Department. Employers use this adjustment form when wage records or reported amounts on the DE 9 or related Wage Report contain errors. These corrections ensure payroll taxes, Unemployment Insurance amounts, and Personal Income Tax withholdings appear accurately for each quarter.

The adjustment form supports accurate employment tax reporting and helps California employers maintain proper documentation for state requirements. It also aligns corrected information with systems referenced in the California Employer’s Guide and DE 44. Each updated filing helps protect unemployment benefits calculations and ensures future filings match the employer’s account number and reported wage history.

When You’d Use California Form DE 9ADJ (2013)

Employers file Form DE 9ADJ after identifying incorrect wage payments, incorrect tax calculations, or missing employee entries on earlier submissions. The form also applies when employee names, Social Security numbers, or reported withholding amounts need correction. Employers may initiate adjustments following payroll audit reviews or internal data cleaning efforts.

Corrections may involve Unemployment Insurance, Employment Training Tax, Personal Income Tax, or reported gross wages. These adjustments help ensure consistency in quarterly Wage Report filings and maintain accurate California Quarterly Wage Data. Using the adjustment promptly also prevents issues with future UI-covered employment reporting and reduces complications involving payroll tax forms.

Key Rules or Details for 2013

Employers must submit original DE 9 and DE 9C forms before filing any DE 9ADJ adjustments. Each quarter requiring corrections requires a separate adjustment form to maintain clear documentation within the Employment Development Department’s systems. Negative entries are not allowed because each correction must reflect accurate positive amounts.

Employee withholding corrections, such as Personal Income Tax or State Disability Insurance, require employers to refund overwithheld amounts to employees first. Employers must document refunds clearly to support adjustments when contacting the Taxpayer Assistance Center. Payment for additional taxes must include interest and penalty amounts when submitting Form Submission documents.

Step-by-Step (High Level)

  • Step 1: The employer gathers the original DE 9, DE 9C, payroll tax forms, and payroll records for the affected quarter.

  • Step 2: The employer compares reported wage payments and gross wages with internal records to identify discrepancies that require adjustment.

  • Step 3: The employer reviews the California Employer’s Guide and related tax regulations to confirm proper reporting requirements.

  • Step 4: The employer prepares a written explanation that describes each correction and references relevant findings from the payroll audit.

  • Step 5: The employer enters original and corrected figures on Form DE 9ADJ and recalculates any necessary Payroll Tax Deposit amounts.

  • Step 6: The employer verifies employee details, confirms totals, completes the PDF document, and submits it through the approved payment processor.

  • Step 7: The employer retains copies and prepares any Questions About This Form for discussion with the Employment Development Department staff.

For in-depth resources covering IRS forms, prior-year filings, and compliance guidance, access our IRS Form Help Center.

Common Mistakes and How to Avoid Them

Processing delays frequently stem from preventable filing mistakes found in IRS submissions. Identifying these recurring issues strengthens overall Tax Filing accuracy and supports consistent compliance across required forms. Correcting documented errors also improves approval outcomes and reduces unnecessary correspondence.

  • Missing Signatures: Required taxpayer or preparer signatures are absent on returns and must be checked before submission. Filers prevent this mistake by reviewing all required signature lines before submission.

  • Mismatched EINs: Employer Identification Numbers (EINs) differ from those in prior IRS records, and filers prevent rejections by verifying the exact identifier before filing.

  • Incomplete Attachments: Required schedules or statements are absent from submissions, and filers prevent rejection by including each supporting document listed in the File Details.

  • Incorrect Payment Timing: Payroll Tax Deposit amounts are submitted outside authorized timeframes, and filers ensure compliance by following IRS-designated remittance schedules.

  • Late Electronic Transmittals: E-filed returns reach the IRS after deadlines, and filers avoid late filing by confirming timely transmission through the approved payment processor.

What Happens After You File

The Employment Development Department reviews the adjustment to confirm that the original amounts match their records. Processing staff may request documentation such as payroll registers or Wage Report details. The review affirms that corrected information aligns with California labor laws and Unemployment Insurance Code requirements.

When refunds apply, employers receive credits after documenting the necessary employee reimbursements. Updated wage records influence future unemployment benefits calculations and UI-covered employment reporting. When payment is missing for additional taxes, the department issues notices through the Customer Support channels.

FAQs

Can Form DE 9ADJ be filed electronically?

Yes, the Employment Development Department accepts electronic adjustments through its e-Services system, which supports payroll taxes and payroll tax forms and provides confirmation for accurate Tax Filing submissions.

What happens when errors involve multiple quarters?

The department requires a separate DE 9ADJ for each quarter because combined filings are not allowed, and wage reports must match the quarter-specific records used for processing.

How are Personal Income Tax withholding errors corrected?

Corrections require refunding affected employees first, and filers then submit the revised amounts to the Employment Development Department with documentation supporting the returned Personal Income Tax amounts.

What occurs when an adjustment reflects additional taxes owed?

The department assesses the added liability upon receipt, and filers must include penalty and interest amounts calculated under applicable regulations to complete the required payment.

Can authorized representatives submit Form DE 9ADJ on behalf of an employer?

Yes, authorized representatives, such as accountants or payroll professionals, may file the adjustment when designated, and they must maintain records to support the corrections.

https://www.states.gettaxreliefnow.com/State%20of%20California/Form%20DE%209ADJ.pdf
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