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

What the New York Form NYS-45 (2017) Is For

You use the New York Form NYS-45 (2017) as the quarterly combined withholding, wage reporting, and unemployment insurance return required of employers statewide in New York. It reports withholding tax, unemployment insurance contributions, and payroll taxes to the New York Department of Taxation and Finance for review and reconciliation of accounts.

The form also shares wage data with labor agencies and supports the Paid Family Leave program using payroll records, Social Security numbers, and quarterly wage totals. It replaces separate returns by combining Parts A, B, and C into the NYS-45 Quarterly Combined Form for Employers’ Quarterly Combined Withholding calculations.

When You’d Use New York Form NYS-45 (2017)

You must file the New York NYS-45 each quarter if you withhold New York personal income tax from employee wages as part of wage reporting obligations. It applies to withholding tax filers, limited liability company employers, and partnerships paying taxable wages in New York City or Yonkers.

You must also use the form when reporting unemployment insurance contributions and calculating the applicable UI tax rate each quarter, as per state filing rules. With an employer registration number, you must submit this quarterly return by the published deadlines or face failure to file penalties from tax authorities if late.

Key Rules or Details for 2017

For tax year 2017, you must file the New York NYS-45 by April 30, July 31, October 31, and January 31. Each tax return must report accurate wage reporting totals, payroll taxes, and Form W-2 information submitted to the New York Department of Taxation and Finance records.

You can file electronically using the Withholding Tax Web File, which requires broadband Internet access, an employer registration number, and secure payment options, such as ACH debit. Errors or failure to file can result in penalties, Tax Reminder notices, or review by the tax authorities administering the Paid Family Leave program requirements.

Step-by-Step (High Level)

  • Step 1: Gather payroll records, bank account details, and your federal employer identification number (FEIN).

  • Step 2: Log in to Business Online Services, or create your account with broadband Internet access.

  • Step 3: Open the NYS-45 Web File or the Withholding Tax Web File for New York NYS-45.

  • Step 4: Enter your employer details, including the employer registration number and the reporting period.

  • Step 5: Complete Parts A, B, and C with wage reporting, withholding tax, unemployment insurance contributions, and UI tax rate.

  • Step 6: Review the calculation results and verify that the totals match the payroll records before submission.

  • Step 7: Select Direct Payment, ACH Debit, or Certified Check, and confirm the amount due.

  • Step 8: Submit the tax return and save the confirmation to document timely filing.

Common Mistakes and How to Avoid Them

Taxpayers frequently submit New York NYS-45 with correctable errors that delay processing during routine review. Identifying each mistake and its correction step helps you submit withholding and wage information accurately.

  • Missing employee Social Security numbers: This mistake occurs when you omit Social Security numbers from wage reporting fields. You must verify payroll records and enter each number.

  • Incorrect UI tax rate entries: This mistake occurs when you report an outdated UI tax rate. You must confirm the rate before completing the return.

  • Unfiled zero-wage quarters: This mistake occurs when you skip filing during quarters without activity. You must file the NYS-45 Quarterly Combined Form every quarter.

  • Unreconciled wage totals: This mistake occurs when Form W-2 totals do not match amounts reported on withholding tax forms. You must reconcile payroll totals before submitting the return.

What Happens After You File

After filing, the New York Department of Taxation and Finance reviews your wage reporting, withholding tax, and payroll data for accuracy each quarterly filing cycle. The agency shares accepted tax return information with labor programs, including unemployment insurance and the Paid Family Leave program, in accordance with standard administrative data-sharing rules and policies.

You receive online confirmation through the Withholding Tax Web File using broadband Internet access and your employer registration number for each quarterly filing. If issues appear, you may receive a Tax Reminder from the tax authorities and must correct the filing promptly online.

FAQs

What is New York NYS-45 used for?

You use this quarterly tax return to report wage reporting, withholding tax, and unemployment insurance contributions to the New York Department of Taxation and Finance.

Can you file Form NYS-45 online?

You file using the Withholding Tax Web File with broadband Internet access and an employer registration number through official state systems. A tax preparer or tax return preparer may complete an online submission for you when Square Payroll exports compatible file formats through approved filing channels described in Publication NYS-50 guidance.

What happens if you make an error?

You correct mistakes by filing Form NYS-45-X, updating withholding tax forms, and resubmitting accurate data through the same filing process.

Do you file when no wages were paid?

You must submit the NYS-45 Quarterly Combined Form every quarter to avoid failure to file notices from the tax authorities.

How do you pay amounts due?

You can pay using ACH debit, certified check, or a linked bank account method accepted by the New York Department of Taxation and Finance.

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