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

What the New York Form ST-125 (2016) Is For

New York Form ST-125 (2016) allows qualifying farm and horse boarding businesses to claim a sales tax exemption on eligible purchases. It applies to farm operations, Commercial Horse Boarding Operations, and certain agricultural use activities recognized by the state of New York. The exemption certificate provides relief from sales and use taxes on qualifying property, services, and purchases of production equipment.

This form is issued to sellers to document exempt transactions and protect buyers during audits by the New York State Department of Taxation and Finance. It helps separate taxable purchases from exempt agricultural products, fuel, and agricultural equipment used in farm production. Proper use supports compliance with sales tax rules and accurate reporting on a business tax return.

When You’d Use New York Form ST-125 (2016)

You would use Form ST-125 when purchasing items directly used in farm production or a qualifying horse boarding operation. This includes purchases for Commercial Horse Boarding, farms recognized by the Farm Services Agency, and boarding operations that meet state definitions. It is used at the time of sale, not during income tax filing or later refund claims.

Commercial horse boarding operators use the form when buying supplies for horse care, facility maintenance, or agricultural vehicle use. Farmers may also use it for expenses related to agricultural assessment and qualifying farm production activities. The exemption does not apply to personal purchases or nonqualifying services.

Key Rules or Details for 2016

For tax year 2016, Form ST-125 required the purchaser to hold a valid Certificate of Authority or qualifying Farmers Exemption status. The commercial horse boarding operator must meet New York State definitions for Commercial Horse Boarding. Misuse could result in liability for unpaid sales tax, interest, and penalties.

The exemption applies only to sales and use tax, not income taxes or property tax exemption claims. Forms RP-305-e and RP-305-r handle agricultural assessment for property tax purposes separately. The form does not replace NYS Farmers Sales Tax Exemption documentation for unrelated purchases.

Step-by-Step (High Level)

  • Step 1: The business must qualify as a Commercial Horse Boarding Operation or farm production under New York State definitions and sales and use tax rules.

  • Step 2: The applicant must hold a valid Certificate of Authority or qualify for a conditional farmer exemption certificate under Farm Tax Exemption rules.

  • Step 3: The filer should download the ST-125 form, also known as the NY DTF ST-125, and store the file in Google Drive for recordkeeping.

  • Step 4: The exemption certificate must include accurate business details and a clear description of the qualifying purchase to remain valid.

  • Step 5: The purchaser must provide the exemption certificate to the seller before purchase or delivery and retain copies of the sales tax exemption certificates.

  • Step 6: Related filings, including Form RP-305-e and Form RP-305-r, require separate tracking for absolute property tax exemption and fuel tax purposes.

Common Mistakes and How to Avoid Them

Taxpayers frequently encounter delays when filing Form ST-125 because of recurring, preventable documentation and submission errors. Identifying and correcting specific filing mistakes during preparation improves compliance and supports acceptance during New York State review processes.

  • Missing seller copy: Provide Form ST-125 to the seller at the time of sale and confirm they retain a copy.
  • Invalid Certificate of Authority: Verify that the Certificate of Authority number is current, accurate, and properly listed before submitting the exemption certificate.
  • Incomplete business information: Include all required farm or horse boarding operation details on Form ST-125.
  • Improper purchase classification: Claim the exemption only for qualifying farm production items and services.
  • Missing record retention: Maintain signed exemption certificates and related records for the full audit retention period required by New York State.

What Happens After You File

After providing Form ST-125 to the seller, the transaction is processed without charging sales tax. The seller retains the exemption certificate as proof supporting exempt treatment under sales and use taxes. The buyer does not submit the form to the New York State Department of Taxation and Finance.

You must maintain records that support farming income, the use of agricultural products, and the eligibility for boarding operations. Improper documentation may result in assessments during audits by New York State authorities. Accurate records support compliance across income tax, sales tax, and farm exemption reviews.

FAQs

What does New York Form ST-125 cover?

The ST-125 form allows qualifying farm production and Commercial Horse Boarding Operations to claim sales and use tax exemptions on agricultural products and qualifying purchases in New York.

Who may issue an exemption certificate?

An exempt organization, qualifying farmer, or holder of a valid Certificate of Authority may issue sales tax exemption certificates when requirements under New York State law are met.

Does Form ST-125 replace property tax filings?

No, real property tax exemption filings use Form RP-305-e or Form RP-305-r and are separate from the Farm Tax Exemption certificate.

Are fuel and vehicle purchases eligible?

Yes, agricultural vehicle fuel may qualify if it is listed in fuel tax exemption resources and directly supports farm production activities.

Is ST-125 filed with a tax return?

No, the NY DTF ST-125 is provided to sellers at the time of purchase and retained, often in Google Drive, rather than being filed with income returns. It differs from an IL sales tax exemption letter or Form E-595E used outside New York state filing systems entirely.

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