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

What Is the New York Form ST-810 (September–November 2023) For?

Monthly sales tax filers use New York Form ST-810 (September–November 2023) to reconcile all taxable and nontaxable sales, credits, and payments for the quarter. It consolidates advance payments submitted via Form ST-809 and finalizes the business’s sales and use tax liability for the whole three-month period. This form is critical for accurate sales and use tax filing during the specified sales tax reporting period.

When You’d Use New York Form ST-810 (September–November 2023)

This form applies to several specific business situations during the September–November 2023 sales tax reporting period:

  • Late return after missing the December 20 deadline: If you missed the due date, you are still required to file immediately and include the appropriate penalties and daily interest charges.

  • Amended return to correct errors: You must file an amended Form ST-810 if you later identify underreported or overreported sales, credits, or misapplied jurisdiction codes.

  • Final return due to closure or business transfer: You must file a final return within 20 days if your business closed, transferred ownership, or changed its legal entity during the quarter.

  • Threshold met for sales and use tax monthly status: If your taxable receipts and use-taxable purchases reached $300,000 in any quarter, you are obligated to begin monthly filing with ST-809 and submit ST-810 as a reconciliation form for the full quarter.

Key Rules or Details for September–November 2023

Understanding the specific rules for this quarter helps ensure compliance with New York Form ST-810 (September–November 2023):

  • Mandatory electronic filing for most vendors: If your business uses a computer and has internet access, you must use the Sales Tax Web File system unless you qualify for an exemption.

  • Filing is required even if no tax is due: Businesses must still submit the return and enter “none” in the appropriate boxes to avoid a $50 penalty.

  • Use the correct jurisdiction for reporting sales: You are required to report taxable sales based on the delivery destination or point of use, not your business’s physical location.

  • Special documentation required for credit claims: All credits claimed must be documented using Form ST-810-ATT and substantiated with a separate Form AU-11, which must be filed by mail.

  • Recent exemptions apply in certain counties: Changes to residential energy exemptions and other local rules impacted New York regional sales tax liabilities in this quarter.

  • Sales tax reporting period review triggers audits: The Department may flag inconsistent or unusual filings, especially if credits are claimed without proper documentation or if jurisdiction reporting appears inaccurate.

Step-by-Step (High Level)

Follow these steps to correctly complete and submit New York Form ST-810 (September–November 2023):

  1. Return Summary and Nontaxable Sales: Start by entering your total gross sales and exempt sales in Boxes 1 and 1a. Be sure to exclude any collected tax from these figures.

  2. Final Return Box: If your business ceased operations, transferred ownership, or changed legal structure during the quarter, mark the Final Return section and provide the date and reason for closure.

  3. Taxable Sales by Jurisdiction: For each jurisdiction, enter taxable sales and purchases subject to use tax. Use the jurisdiction codes and tax rates printed on the form to calculate the total state and local sales tax owed.

  4. Special Taxes Section: Report receipts from activities like peer-to-peer car sharing, entertainment services by telephony, and vapor products, and calculate the special tax based on the provided rates.

  5. Credits and Advance Payments: Enter credits for prior overpayments, prepaid sales tax on cigarettes, and the three Form ST-809 payments made during this quarter for sales and use tax monthly filing.

  6. Tax Due Calculation: Add all tax liabilities and subtract your advance payments and approved credits to determine the remaining balance.

  7. Penalties and Interest: If filing late, use the online calculator to determine the correct amount of penalty and daily compounding interest.

  8. Total Amount Due and Payment: Record the total amount due in Box 19 and indicate the payment amount in Box 20.

  9. Sign and Submit: The appropriate party must sign the form, and paid preparers must include their NYTPRIN or PTIN if applicable.

Common Mistakes and How to Avoid Them

Avoiding these filing mistakes can help ensure your return is accepted and processed on time:

  • Omitting advance payments: Failing to enter the three ST-809 payments can result in double payment of your tax liability. Confirm your monthly filings and total payment amounts before completing Form ST-810.

  • Misreporting by business location: Always report sales based on the delivery location or where the service was used, not where your business operates.

  • Missing documentation for credits: All credit claims (except for fuel and cigarette prepayments) must be supported by a completed AU-11 form. Submit it separately by mail to avoid denial.

  • Failing to submit all pages: Include every page of the form, even if some schedules are blank, and ensure your sales tax ID appears on each.

  • Ignoring penalties and interest: Late filings automatically incur penalties and daily interest. Use the Department’s calculator to determine accurate amounts and avoid underpayment.

What Happens After You File

Once New York Form ST-810 (September–November 2023) is filed, the New York State Department of Taxation and Finance begins processing. Electronic returns are typically reviewed within a few days, while paper returns may take weeks. The system validates calculations, jurisdiction codes, and payment totals against Form ST-809 data. 

Overpayments can be refunded with Form AU-11 or applied to future quarters. If inconsistencies or errors arise during this sales tax reporting period, the Department may initiate a review or audit. Late filings will result in automatic billing notices that include penalty assessments and interest through the payment date.

FAQs

Do I need to file New York Form ST-810 (September–November 2023) if I had no taxable sales during that period?

Yes, you must still file even if no taxable activity occurred to avoid the $50 penalty during the designated sales tax reporting period.

Can I apply overpaid sales tax as a credit on my next return?

Yes, overpayments from your current sales and use tax filing can be carried forward or refunded using Form AU-11.

When does the sales and use tax monthly filing requirement begin?

You must begin monthly filing with Form ST-809 after exceeding the $300,000 threshold in one quarter and then submit Form ST-810 to reconcile it.

How do I know which local rate applies to my transaction?

You must apply the rate for the jurisdiction where the product is delivered or used, based on New York local sales tax rules.

What is the correct way to calculate the state and local sales tax in New York when reporting?

Use the jurisdiction codes and tax rates printed on Form ST-810 to determine the accurate state and local sales tax amounts for each location.

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