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

What Is the New York Form ST-810 (June–August 2018) For?

New York Form ST-810 (June-August 2018) is the New York State and Local Quarterly Sales and Use Tax Return used by part-quarterly filers to reconcile monthly sales tax activity for the quarter ending August 31, 2018. This sales tax return summarizes gross sales, taxable sales, and use tax by jurisdiction and applies the correct sales tax rate for each locality. It allows the New York State Department of Taxation and Finance to accurately allocate local sales and use tax revenue across New York jurisdictions.

When You’d Use New York Form ST-810 (June-August 2018)

This form applies in specific situations tied to quarterly sales and use tax reporting obligations in New York.

  • Required quarterly reconciliation for monthly filers: Businesses classified as quarterly filers must use Form ST-810 to reconcile Sales and Use Tax returns filed on the ST-809 series during the June through August 2018 sales tax quarter.

  • Business closure or structural change: A final New York Form ST-810 (June-August 2018) is required if a business sold its operations, changed entity type, or discontinued activity during the filing period.

  • Late or missed sales tax filings: Businesses that missed the original filing deadlines must still file this tax return to remain in regulatory compliance with New York State.

  • Correcting previously filed information: An amended Form ST-810 is required if errors are discovered after filing, including incorrect jurisdictional reporting or misreported taxable sales.

Key Rules or Details for 2018

Several filing rules specific to the 2018 tax year apply to this Quarterly Sales and Use Tax Return.

  • Eligibility as quarterly filers: Businesses were required to file monthly ST-809 series returns and a quarterly Form ST-810 if their taxable sales, purchases subject to tax, or other business activity met New York State thresholds during the prior filing period.

  • Jurisdiction-based reporting requirements: Taxable sales and use tax must be reported using the correct jurisdiction code based on where goods and services were delivered or used, including New York City and local counties.

  • Electronic filing mandate: Most businesses were required to file the ST-810 Form using the Sales Tax Web File through the New York State Department of Taxation and Finance rather than submitting paper tax forms.

  • Documentation for credits and exemptions: Tax credits, sales tax exemption claims, and tax-exempt purchase documentation must be retained to support amounts reported on the New York State and Local Quarterly Sales and Use Tax Return.

Step-by-Step (High Level)

The following steps outline how to complete New York Form ST-810 (June-August 2018) accurately at a high level.

  • Enter business identification information: The filer must enter the correct sales tax identification number, legal business name, business address, and Federal employer identification number exactly as shown on the Certificate of Authority.

  • Report gross and nontaxable sales: Gross sales and services must include all New York and out-of-state sales delivered into New York, while nontaxable sales must be separated clearly on the sales tax return.

  • Calculate jurisdiction-level tax amounts: Taxable sales and purchases subject to use tax must be reported by jurisdiction code and multiplied by the applicable sales tax rate listed on the form.

  • Apply credits and advance payments: Any allowable tax credits, prior overpayments, and advance payments made on the ST-809 series must be entered to reduce the quarterly balance due.

  • Submit the return and retain records: The completed Form ST-810 should be filed through the Sales Tax Web File or an approved digital version and retained with related schedules for tax purposes.

Common Mistakes and How to Avoid Them

Errors on the Quarterly Sales and Use Tax Return often result from reporting inconsistencies that can be avoided with careful review.

  • Reporting sales in the wrong jurisdiction: Sales must be reported based on the delivery location, rather than the business address, to ensure accurate local sales and use tax allocation.

  • Failing to report use tax: Purchases made without sales tax that are used in New York must be tracked and reported as use tax to remain compliant.

  • Claiming unsupported credits: Tax credits should only be claimed when proper documentation exists, including exemption reason records and supporting schedules.

  • Calculation and transfer errors: Using automated tools or reviewing totals carefully helps prevent math errors when transferring amounts between pages of the ST-810 form.

  • Ignoring electronic filing requirements: Businesses subject to the electronic filing mandate must use the Sales Tax Web File to avoid penalties tied to improper submission methods.

What Happens After You File

After submission, the New York State Department of Taxation and Finance processes the sales tax return and applies any payments to the taxpayer’s account. Overpayments may be carried forward to future quarterly forms or refunded through a separate request, while underpayments may result in penalty and interest assessments. Filed returns may be selected for review based on reported business activity, jurisdictional reporting, or discrepancies identified through third-party data, and records must be retained to support reported amounts.

FAQs

How does New York Form ST-810 (June-August 2018) differ from other tax forms like Form 1040 or Schedule H?

New York Form ST-810 (June-August 2018) is a sales and use tax filing for New York State, while Form 1040, Schedule H, Form 8949, and Schedule D are federal income tax forms used for different tax purposes.

Can I store my filed sales tax returns using cloud storage or document management tools?

Yes, businesses may retain a digital version of the sales tax return using secure cloud storage, document management systems, Google Drive, or a compliant mobile app or mobile device.

Does this Quarterly Sales and Use Tax Return apply to all New York locations?

This form applies to taxable business activity in New York State, including local jurisdictions such as New York City, Schenectady County, Saratoga Springs, and areas within the Metropolitan Commuter Transportation District.

Are prior-year forms or annual forms related to the ST-100 series required with this filing?

No, prior year forms, annual forms, quarterly ST-100, and other ST-100 series or ST-101 series filings are separate and are not submitted with Form ST-810.

Can third-party tools or PDF editors be used to prepare the ST-810 form?

Yes, the ST-810 form can be prepared using a PDF editor or authorized platforms, such as airSlate SignNow, provided the submission follows New York State Department of Taxation and Finance requirements and encryption protocols.

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