What Form NYS-45 (2020) Is For
You use Form NYS-45 (2020) as a quarterly tax return to report wages and withholding tax. It also reports payroll records for paid family leave under the tax law and coordinates data shared with the New York State Department of Labor through online systems.
You file through Business Online Services using web-based file applications after your employer registration number and withholding identification number are assigned for state reporting by the employer registration. The form consolidates payroll forms from eSmart Payroll, supports jurisdiction/rate lookup, and permits state-authorized filing through an online application when required.
When You’d Use Form NYS-45 (2020)
You use Form NYS-45 when you are a liable employer paying wages subject to withholding tax or unemployment insurance under New York tax law requirements. You must file this quarterly tax return even when payroll activity is zero, using accurate payroll forms and wage records for each required period.
You access Business Online Services after your employer registration number and withholding identification number are assigned by the employer registration, which is required for state-authorized filing before submission deadlines. You submit through web file applications, reporting paid family leave data to the Department of Taxation and Finance and the New York State Department of Labor.
Key Rules or Details for 2020
For tax year 2020, you reported accurate quarterly wage totals and withholding tax amounts on Form NYS-45 as required by state agencies. You also needed to obtain correct jurisdiction and rate details, using the jurisdiction/rate lookup tools provided through Business Online Services, before submitting any online application for each quarterly filing.
The tax return included parts A, B, and C, each with rules enforced by the Department of Taxation and Finance during the filing period. If you identified errors, you corrected them using Form NYS-1 or amended filings and submitted updates through state-authorized web file applications.
Step-by-Step (High Level)
- Step 1: Gather payroll records, payroll forms, and government-issued documents, and then confirm the accuracy of the employer registration status, employer registration number, and withholding identification number. Log in to Business Online Services to access the required online application.
- Step 2: Use jurisdiction/rate lookup tools to verify withholding tax rates, paid family leave data, and reporting rules under tax law. Upload wage data from eSmart Payroll or approved file sources.
- Step 3: Review automatic calculations, complete Part A, Part B, and Part C, then submit the tax return through web file applications. Submit required payments, retain confirmations, and respond to agency notices.
- Step 4: Monitor filing status through the Department of Taxation and Finance and the New York State Department of Labor portals after submission. Address errors using Form NYS-1, if required by state-authorized guidance.
Common Mistakes and How to Avoid Them
You encounter filing delays when specific, preventable errors appear on Form NYS-45 submissions. Clearly identifying each mistake and applying the correct fix improves compliance accuracy and processing outcomes.
- Incorrect registration numbers: This mistake occurs when you enter an incorrect employer registration number or withholding identification number. You must verify both numbers in Business Online Services before submitting the tax return.
- Inconsistent wage reporting occurs when the total wages reported differ between sections of the payroll forms. You must reconcile payroll records to ensure that all reported wages match exactly.
- Incorrect jurisdiction rates: This mistake occurs when you select rates without using the jurisdiction/rate lookup tools. You must confirm the correct jurisdiction data before calculating withholding tax.
- Unsupported file uploads: This error occurs when you attempt to upload file formats not accepted by web file applications. You must use only approved electronic formats.
- Missing zero returns: This mistake occurs when you do not file during quarters without payroll. You must submit a zero-wage return every quarter.
What Happens After You File
After submission, the Department of Taxation and Finance processes your withholding tax and employment tax return data through Business Online Services. At the same time, the New York State Department of Labor reviews the unemployment insurance and related fund information you reported each quarter, as required by statute.
Once accepted, your filing updates employer accounts, confirms paid family leave reporting, and records compliance under tax law for your business records during processing periods.
You should monitor Business Online Services for notices, use jurisdiction/rate lookup tools when correcting data, and submit Form NYS-1 through state-authorized web file applications.
FAQs
What is Form NYS-45 used for in New York?
You use Form NYS-45 to report quarterly wages, withholding tax, and unemployment insurance to the Department of Taxation and Finance accurately. The New York State Department of Labor receives related wage data.
Can you file Form NYS-45 online?
You can submit the tax return through Business Online Services using web file applications after completing employer registration. You need an employer registration number and a withholding identification number.
What should you do after discovering an error?
You correct filing errors by submitting Form NYS-1 through a state-authorized online application. Corrections ensure payroll forms and eSmart Payroll data remain consistent.
Can a tax preparer file on your behalf?
You may authorize a tax preparer to file using Business Online Services with approved credentials. The preparer must follow the tax law requirements.
Where do you find official filing guidance?
You access instructions, jurisdiction/rate lookup tools, and paid family leave guidance through Business Online Services. Agencies publish updates through official portals.

