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Reviewed by: William McLee
Reviewed date:
January 16, 2026

What Is the New York Form ST-810 (September–November 2017) For?

New York Form ST-810 (September–November 2017) is used by part-quarterly (monthly) sales tax filers in New York State to reconcile their total tax liability for the third quarter of 2017. Covering the period from September 1 through November 30, this form consolidates taxable sales, use tax, jurisdictional breakdowns, and advance payments already submitted on the monthly Form ST-809. It also reports credits, special taxes, and any adjustments to ensure accurate final payment or refund processing by the New York State Department of Taxation and Finance.

When You’d Use New York Form ST-810 (September–November 2017)

You would file New York Form ST-810 (September–November 2017) in any of the following situations:

  • Late Filing: This form is submitted after the December 20, 2017, due date and may result in sales tax penalties in New York, as well as interest for late payment.

  • Amended Returns: A corrected return is filed if you discover errors such as jurisdiction misreporting, overpaid tax, or missed exemptions after the original submission.

  • Final Return: You must file this form when closing your business, selling it, or changing its legal structure, including reporting your final taxable activity.

  • Reconciliation Filing: This quarterly return is required to reconcile actual liability against advance payments reported through monthly Forms ST-809.

  • No Tax Due Filing: This form is still required, even if you had no taxable activity during the period, to avoid the minimum $50 late-filing penalty.

Key Rules or Details for the 2017 Tax Year

The following rules applied to New York Form ST-810 (September–November 2017) for the 2017 tax year:

  1. Filing Threshold: Businesses with $300,000 or more in monthly taxable sales were required to file monthly under the state’s monthly filing requirement in New York.

  2. Reclassification Timing: Once a business exceeded the threshold, it was automatically reclassified as a monthly filer starting the first month of the following quarter.

  3. Jurisdictional Reporting: Sales must be reported based on the local tax jurisdiction of the delivery destination, rather than the location of the sale.

  4. Special Tax Reporting: Certain taxable transactions, such as passenger car rentals and telecommunications services, require separate reporting from general sales tax.

  5. Electronic Filing Mandate: Most filers were required to use the Sales Tax Web File system if they prepared filings using a computer and had access to broadband internet.
  6. Estimated Monthly Taxable Sales Rule: Businesses projecting estimated monthly taxable sales near or above the threshold were expected to monitor and comply with changes in filing frequency.

Step-by-Step (High Level)

The following is a high-level overview of how to complete New York Form ST-810 (September–November 2017):

  1. Return Summary: Begin by calculating gross sales and services for the quarter, separating taxable and nontaxable transactions, and optionally reporting gross credit card deposits for department verification.

  2. Final Return Details: Complete this section if you permanently closed, transferred, or restructured your business, including details like the last date of operation and sale information.

  3. Jurisdictional Sales Reporting: Report taxable sales and purchases by county or city jurisdiction using the applicable tax rates to calculate the correct tax amount due for each location.

  4. Special Taxes: Report separate taxable receipts from passenger car rentals and telecommunication services using the correct rates depending on whether the transaction occurred inside or outside the MCTD.

  5. Credits and Payments: Enter credits such as prepaid cigarette tax, prior overpayments, and all ST-809 advance payments made during the quarter to reduce your overall tax liability.

  6. Total Tax Due Calculation: Combine all sales and special taxes, then subtract total credits and advance payments to arrive at your actual tax due or overpayment.

  7. Penalty and Interest (if late): If filing after the sales tax filing deadlines in NY, calculate penalties based on the number of days late and apply the Department’s daily compounding interest.

  8. Total Amount Due: Add penalties and interest to your tax due amount and enter the full payment total to be submitted with your return.

  9. Sign and File: Designate a representative if needed, sign the form, and electronically submit it via Web File. Ensure timely mailing or web submission to avoid further penalties.

Common Mistakes and How to Avoid Them

Many businesses make avoidable errors when completing New York Form ST-810 (September–November 2017). Here is how to prevent them:

  • Incorrect Jurisdiction Reporting: Use point-of-sale systems that track delivery addresses and automatically apply the correct tax jurisdiction codes.

  • Skipping Filing With No Tax Due: Always submit a return even when no tax is due, as failure to do so will still result in a $50 minimum penalty under sales tax penalties in New York.

  • Misclassifying Nontaxable Sales: Separate sales into taxable, exempt by statute, and exempt by certificate to avoid discrepancies between reported gross sales and bank deposit data.

  • Forgetting Advance Payment Reconciliation: Always claim the total of your ST-809 payments in Step 5 of the form to prevent paying tax twice on the same sales.

  • Omitting Required Schedules: Verify whether your business activity requires supplemental schedules and include them with your return to avoid incomplete filing notices.

  • Box 1b Deposit Timing Errors: If completing Box 1b, report only the credit card deposits actually received during the quarter rather than the sales date.

What Happens After You File

Once New York Form ST-810 (September–November 2017) is filed, the Department processes the return, credits payments, and checks for errors or inconsistencies. Electronic filers receive instant confirmation, while mailed submissions may take 4–6 weeks to process. Payments are posted within 2–10 business days, depending on the method. Overpayments may be carried forward to the next quarter or refunded by filing Form AU-11. 

Returns filed after the sales tax filing deadlines in New York may trigger penalties, notices, or even audits, which can occur within a three-year statute of limitations.

FAQs

What is the difference between Form ST-809 and New York Form ST-810 (September–November 2017)?

Form ST-809 is used to report and pay tax on monthly taxable sales, while New York Form ST-810 (September–November 2017) reconciles those monthly payments with the total quarterly liability.

Who is required to file New York Form ST-810 (September–November 2017)?

This form must be filed by businesses classified as part-quarterly filers that meet the monthly filing requirement in New York based on their sales volume.

What happens if I miss the sales tax filing deadlines in New York for this return?

Missing the deadline can result in sales tax penalties in New York and daily interest charges until the balance is paid in full.

Do I still need to file if my estimated monthly taxable sales were inaccurate?

Yes, you must file the return using actual figures even if your estimated monthly taxable sales differed from your final reported amounts.

Is filing required if I had no taxable activity during the quarter?

Yes, you are required to file New York Form ST-810 (September–November 2017) even if you have no taxable sales to avoid automatic penalties.

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