Fill out Form ST-120.1 Online in 2026

Form ST-120.1, the Contractor Exempt Purchase Certificate, is important for contractors in New York. It allows them to purchase materials and supplies without paying sales tax when these items will be used in tax-exempt projects. By filling out this form, contractors can save money on costs, which can be crucial for budgeting and project management. This certificate helps ensure compliance with tax regulations while benefiting both contractors and their clients by keeping project expenses lower.

Form ST-120.1, the Contractor Exempt Purchase Certificate, is used by contractors in New York to claim exemption from sales tax on certain purchases:

• to purchase materials tax-free.
• to provide proof of exemption to suppliers.
• to comply with New York tax regulations.

1. Enter your name and address in the appropriate fields.

2. Provide your contractor registration number.

3. Fill in the vendor’s name and address where applicable.

4. Indicate the type of purchase by checking the correct box.

5. Review your entries for accuracy.

6. Sign the form, ensuring compliance with current signature requirements; consult official sources for the latest guidelines.

Groups responsible for completing form ST-120.1 include contractors and subcontractors for tax-exempt purchases. This form is used when buying materials for projects.

Afterward, suppliers and vendors use the form to verify tax-exempt status during transactions.

Form ST-120.1 isn't necessary for individuals or entities making purchases for personal use. If you're a contractor buying materials for a project that won't be resold or incorporated into a taxable service, you don't need this certificate.

Also, businesses that are not registered for sales tax and do not engage in taxable activities do not require this form when making purchases. Always check with state guidelines for specific requirements.

Form ST-120.1, Contractor Exempt Purchase Certificate, does not have a specific due date. The contractor must give the vendor a properly completed Form ST-120.1 no later than 90 days after the property is sold or service is rendered.

Make sure to check the specific guidelines from your state’s tax authority for any additional requirements or deadlines. Properly completing and submitting this form can help you avoid unnecessary tax charges.

To obtain a blank ST-120.1, Contractor Exempt Purchase Certificate, visit the New York State Department of Taxation and Finance's website. Our platform has this form pre-loaded in our editor, ready for you to fill out and download, but remember, we do not support filing forms.

To sign form ST-120.1, you'll first need to download the PDF version of the form. After downloading, print it out to fill in the necessary details and provide your handwritten signature.

Make sure to check for the latest updates on the form's requirements. Handwritten signatures are generally accepted, but confirming any changes is a wise step.

Form ST-120.1, Contractor Exempt Purchase Certificate, cannot be filed online. Instead, it must be submitted by mail to the appropriate state tax office.

To ensure proper processing, make sure to complete all required fields before mailing your form. Double-check your information for accuracy.