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Reviewed by: William McLee
Reviewed date:
January 12, 2026

What California Form DE 9 (2023) Is For

California Form DE 9 is the quarterly reconciliation form employers file with the Employment Development Department to summarize wages, payroll deductions, and taxes. The form verifies that deposits match liability and ensures totals align with employee-level reporting, including each worker’s Social Security number and withholding data. 

For a detailed breakdown of requirements, process, and step-by-step instructions, see our guide on Unfiled California Tax Returns.

When You’d Use California Form DE 9 (2023)

Employers file this form every quarter, even when no wages are paid. The requirement applies to all businesses registered with the state, including those that use payroll integrations or manual entry. Late or amended filings occur when employers need to correct wages, adjust withholding, or update employer data, such as a bank account or employer ID.

Key Rules or Details for 2023

  • Quarterly filing requirement: All employers must file quarterly through the agency's online system and maintain accurate records of payroll deductions and employee-level information. Reconcile summary and detailed filings.

  • Mandatory accuracy standards: Employee wages, withholding amounts, and each Social Security number must match the employer’s records, and employers must ensure consistent reporting that aligns with California law and form requirements.

  • Electronic submission requirement: Employers submit all quarterly forms electronically through approved channels, maintaining timely submission practices that minimize errors and facilitate efficient processing within state systems.

  • Amended filing procedures: Employers correct errors by submitting updated wage or withholding details, replacing previous entries while complying with state reconciliation requirements.

  • Record-keeping expectations: Employers must retain wage records, bank account information, and supporting documents for a minimum of four years.

Step-by-Step (High Level)

Step 1: Gather Quarterly Payroll Records

Employers collect wage totals, payroll deductions, and each worker’s Social Security number while reviewing employee contributions tied to a retirement account, such as a Traditional IRA, Roth IRA, or other qualified retirement plan, when applicable.

Step 2: Calculate Employer Contributions

Employers review wages, contribution limits, and their contribution rate to determine required amounts. They confirm that calculations align with income guidelines and verify data stored in payroll integrations or accounting platforms such as QuickBooks Online.

Step 3: Calculate Employee Withholdings

Employers total all employee contributions and confirm the correct withholding for payroll deductions, including retirement plan amounts documented on forms such as Form 5498 or Form 1099-R. They ensure accuracy before continuing the reporting process.

Step 4: Access E-Services for Business

Employers log into the state system using their employer access code and employer ID. They verify banking information, confirm quarterly periods, and ensure all data aligns with records maintained through payroll integrations or internal systems.

Step 5: Complete Form DE 9 Online

Employers enter wage totals, withholding amounts, and contribution limits while confirming accuracy across all entries. They also verify information related to employee contributions and retirement plan deductions to ensure compliance with California law.

Step 6: Complete Form DE 9C Online

Employers enter each worker’s Social Security number, subject wages, and withholding amounts while confirming alignment with automated payroll integrations. They ensure that totals match Form DE 9 and verify that entries follow state reporting guidelines.

Step 7: Review and Submit

Employers verify all numbers, banking information, and payroll deductions before submitting. They confirm accurate reporting across wage data, employee contributions, and retirement plan entries to avoid issues with the Employment Development Department.

Step 8: Save Confirmation

Employers save submission receipts, wage summaries, and related retirement account records, such as the Distribution Request form or the Beneficiary Designation form, when they are maintained. They store all documents securely for required recordkeeping and future reference.

Learn more about federal tax filing through our IRS Form Help Center.

Common Mistakes and How to Avoid Them

  • Submitting totals that do not match detail records: Always confirm that both reports align exactly before submitting them through the system.

  • Incorrect Social Security number entries: Avoid this mistake by comparing each number against internal records and verifying accuracy before filing.

  • Missing a quarterly submission: Employers occasionally overlook a filing deadline when there are no wages to report. Track deadlines and file zero-wage reports to prevent this.
  • Incorrect withholding amounts: To avoid this error, employers should review contribution limits and confirm that payroll entries align with employee elections and California law.

  • Late amended filings: Employers often delay correcting errors, which can lead to complications. To avoid these issues, it is essential to submit amended information promptly and ensure that all updates are accurate.

Learn more about how to avoid business tax problems in our guide on How to File and Avoid Penalties.

What Happens After You File

To ensure compliance with California law, the Employment Development Department reviews reported wages, withholding, and payroll deductions to verify accuracy. It updates employer accounts, verifies Social Security numbers, and checks that banking information matches filings. Adjustments to retirement plans or qualified retirement plans are reported to employers on Form 5498 or Form 1099-R. 

When clarification is needed regarding employee contributions, contribution limits, or changes to a retirement account, such as a Traditional IRA, Roth IRA, or 401(k) plan, employers respond promptly to maintain accurate records and remain compliant.

FAQs

Do employers need to file even when no wages are paid?

Yes, employers must file every quarter, even if they have zero wages. A zero-wage filing keeps the employer account active with the Employment Development Department and ensures compliance with California law and income guidelines for reporting.

Can an employer update entries after submitting the form?

Yes, employers can amend filings when wages, withholding, or employee information changes. Updated entries must match detail records, including a corrected Social Security number, employee contributions, or revised banking information linked to the employer ID.

Does the form include information about employee retirement plans?

The form may reflect payroll deductions tied to a qualified retirement plan when contributions flow through payroll. These may include a Traditional IRA, Roth IRA, or other retirement accounts, as recorded on forms such as Form 5498 or Form 1099-R.

How does the Employment Development Department use the reported data?

The agency verifies wage totals, contribution rate accuracy, and payroll deductions while reconciling employer accounts. It may also reference attachments, such as a Distribution Request form or a Beneficiary Designation form, when employers maintain retirement plan documentation.

Are foreign income or Canadian reporting forms relevant to DE 9 filing?

No, forms such as Form NR601, Form NR602, Form NR76, Form NR7-R, and other Canada Revenue Agency filings do not apply to California DE 9 reporting, as the form only reflects wages from the United States.

Are foreign exchange rates relevant to the form?

Foreign exchange rates, including those published by the Bank of Canada or calculated by financial sources such as OANDA Corporation or Thomson Reuters Corporation, do not affect the DE 9, as employers report wages in U.S. currency.

Does the form apply to all types of businesses, even those that only hire certain types of workers?

Yes, all employers registered with the state are required to file quarterly. This includes small employers, large organizations, and specialized entities, such as a motion picture payroll services company, which uses payroll integrations, web forms, or My Business Account tools.

https://www.states.gettaxreliefnow.com/State%20of%20California/Form%20DE%209%20Rev.%201.pdf
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