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Reviewed by: William McLee
Reviewed date:
January 17, 2026

What Form NYS-45 (2023) Is For

Form NYS-45 (2023) is a quarterly return you use to report employment tax and wage information for New York State and New York City. It covers withholding taxes, unemployment insurance, paid family leave, and related reporting required under the tax law for employers paying wages to employees across the state.

The New York State Department of Taxation and Finance administers the form, while the New York State Department of Labor supports unemployment reporting. You file using the NYS-45 Web File or other Web File applications after confirming your Withholding Identification Number.

When You’d Use Form NYS-45 (2023)

You file Form NYS-45 each calendar quarter when you pay wages to employees in New York State, including businesses operating only within New York City. As a withholding tax filer, you must submit the quarterly return even when no withholding taxes are due under the tax law.

You must meet the assigned due dates once you are registered with an Employer Registration Number and a valid Withholding Identification Number. You may use the NYS-45 Web File or Web File applications, though paper filing remains available and supported by the New York State Department of Labor.

Key Rules or Details for 2023

For 2023, Form NYS-45 includes Part A for unemployment insurance and Part B for withholding tax reporting, as required under the Tax Law. You must report accurately using a valid Withholding Identification Number and UI employer registration number to avoid errors and potential Form NYS-45-X filings each quarter.

You must retain payroll records supporting wages, withholding, and Paid Family Leave contributions, following guidance in Publication NYS-50. The New York State Department of Labor oversees unemployment data, while NYS-45 Web File and other Web File applications support electronic filing for employers statewide.

Step-by-Step (High Level)

  • Step 1: Log in to Online Services using your Employer Registration Number and credentials to access the required Web File applications.

  • Step 2: Select the NYS-45 Web File, confirm the correct quarter and tax year, and review obligations required under the Tax Law.

  • Step 3: Enter employee wage totals, Social Security numbers, unemployment insurance data, and paid family leave amounts accurately for state reporting.

  • Step 4: Complete withholding sections using your Withholding Identification Number, including direct payment details and applicable employer tax information.

  • Step 5: Review calculation results, confirm jurisdiction and rate details, and resolve warnings identified during system validation checks.

  • Step 6: Submit the return, save confirmation records, and refer to guidance from the New York State Department of Labor if questions arise.

Common Mistakes and How to Avoid Them

Many employers submit Form NYS-45 with accurate intent but incomplete execution during routine quarterly filing. Clear identification of recurring mistakes and specific corrective actions helps you file accurately and maintain consistent compliance.

  • Incorrect Identification Numbers: This mistake occurs when you enter an incorrect Employer Registration Number or Withholding Identification Number. You must verify both numbers in Online Services before submitting through the NYS-45 Web File.

  • Mismatched Payroll Data: This mistake occurs when reported wages or Social Security numbers do not match payroll records. You must reconcile payroll records before entry to ensure consistency.

  • Wrong Filing Quarter: This mistake occurs when you select the incorrect quarter during filing. You must confirm the correct calendar quarter before submission under the tax law.

  • Missing Unemployment or Leave Entries: This mistake occurs when UI contributions or paid family leave fields are left blank. Please ensure that all required fields are completed. Informed Submission Confirmation: This mistake happens when you do not save filing confirmations. You must retain receipts from the Web File application for reference and amendments.

What Happens After You File

After you submit Form NYS-45, the New York State Department of Taxation and Finance reviews your tax return for completeness and accuracy within Online Services. Processing timelines vary. Accepted filings post to your account history, where you may resolve balances using electronic direct payment through the NYS-45 Web File.

If issues appear, you receive notices explaining required corrections, missing data, or requests for additional information under procedures for reviewing tax law defined by state agencies. You file amendments using Form NYS-45-X, retain confirmations, and support audits with payroll records reviewed by the New York State Department of Labor officials annually.

FAQs

Who must file Form NYS-45?

You must file if you pay wages subject to New York withholding under the Tax Law, regardless of business size or location.

Can you Web File Form NYS-45?

Yes, you may submit using the NYS-45 Web File through Web File applications after completing account setup in Online Services.

What if you need to correct a filed return?

You must file Form NYS-45-X to amend reported wages, withholding, or unemployment information tied to the original submission.

Do you file Form NYS-45 when no wages are paid?

Yes, you must submit a zero quarterly return to maintain an active filing record.

Where can you find official filing guidance and details on agency oversight?

You should review Publication NYS-50 and resources from the New York State Department of Labor explaining Paid Family Leave, filing timelines, accepted Web File applications, and NYS-45 Web File support. These sources clarify compliance expectations under the Tax Law and outline coordination between agencies during the review process. You rely on this guidance to consistently and accurately prepare quarterly submissions.

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