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

What Form NYS-45-ATT (2014) Is For

New York employers use Form NYS-45-ATT (2014) to accurately report payroll data, unemployment insurance, and employment tax. State regulations require this form to ensure compliance with New York State tax law.

Employers must submit the form electronically using the NYS-45 Web File system. This streamlines the process and ensures accurate quarterly combined withholding. The Department of Taxation and Finance processes this form, so meeting deadlines, such as the March 2025 due date, is crucial. Filing late may result in penalties or compliance issues.

When you use Form NYS-45-ATT (2014)

You must file Form NYS-45-ATT if you are a New York employer required to report wages and withholdings for your employees every quarter. This form is essential for employers who manage withholding tax forms and unemployment insurance returns. It applies to businesses with employees in New York City or any area within the state of New York.

Form NYS-45-ATT is used to report income tax, Social Security, and unemployment insurance contributions, ensuring full compliance with state tax laws and regulations. Employers must file the form by the end of each quarter to avoid penalties. The next filing deadline is for the second quarter of 2025, so please ensure timely submission to meet the requirements.

Key Rules or Details for 2025

In 2025, it is crucial to comply with reporting deadlines and ensure that your wage and tax information is accurate. Employers must submit the NYS-45-ATT form for each quarter, detailing all wage data and withholdings. The form includes automatic calculation features that simplify the process, making it easier to complete.

Employers must also stay updated on any changes to Unemployment Insurance contribution rates, as provided by the New York State Department of Labor. Compliance with these updated rates is essential to avoid penalties. Additionally, ensure that your wage information matches your Employer Registration Number, which is critical for accurate tax and payroll reporting.

Step-by-Step (High Level)

  • Step 1: Log in to Business Online Services using your Employer Registration Number to access Form NYS-45-ATT. This will allow you to start the filing process.

  • Step 2: Enter wage information for all employees, including income tax and withholding tax amounts. Accurate data ensures compliance with state tax regulations and avoids penalties.

  • Step 3: Review automatic calculations for unemployment insurance and withholding tax contributions. This feature streamlines reporting, ensuring accurate tax figures.

  • Step 4: Complete Parts A, B, and C of the form. These sections must be filled out to ensure that all required details are provided.

  • Step 5: Submit the form electronically via Web File to the Department of Taxation and Finance. This method ensures timely and secure filing.

  • Step 6: Keep a copy of the completed form for your records. This serves as proof of compliance and can be referenced in the future.

Common Mistakes and How to Avoid Them

This section outlines common mistakes in filing Form NYS-45-ATT and guides how to avoid them. Correcting these mistakes improves accuracy and ensures smooth processing.

  • Incorrect Social Security Number: This mistake occurs when you enter an employee's Social Security number incorrectly before submitting the form. Make sure to check for accuracy.

  • Failure to Meet Deadlines: This mistake occurs when you miss the required filing dates. Set reminders and file by the required deadlines, such as the second quarter 2025 deadline.

  • Mistakes in Income Reporting: This mistake occurs when you report inaccurate wage or tax amounts. Please ensure all wage and tax details are thoroughly reviewed before submission.

  • Using Outdated File Formats: This mistake occurs when you submit the form in an unsupported file format. Use the correct file format specified for Web File submissions.

  • Missing Part C: This mistake occurs when Parts A, B, or C are incomplete. Ensure all sections, including Parts A, B, and C, are completed before submission.

What Happens After You File

After you file Form NYS-45-ATT, the Department of Taxation and Finance processes your submission. They verify the wage and tax information for accuracy and compliance with New York State tax law.

The department will notify you if it finds discrepancies or missing information. You may be asked to provide additional documentation or clarifications to ensure that all requirements are met. The Department of Taxation and Finance confirms your compliance with tax regulations. Accurate data helps prevent delays and penalties, providing a smoother filing process and timely submission.

FAQs

What is the deadline for filing Form NYS-45-ATT?

The deadline for filing Form NYS-45-ATT is at the end of each quarter. For the second quarter of 2025, the deadline is June 30th.

Can I file Form NYS-45-ATT online?

Yes, you must file Form NYS-45-ATT online through the NYS-45 Web File system via the Business Online Services portal.

What happens if I miss the filing deadline?

Failing to meet the filing deadline can result in penalties or interest on unpaid taxes. Ensure you file on time to avoid extra fees.

Do I need to include wage information for all employees?

Yes, you must report wages for all employees, including those covered by Unemployment Insurance, to comply with New York State Tax Law.

Are there any free resources available for filing?

Yes, New York employers can access the Business Online Services portal at no cost, which provides support and access to the Web File system.

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