Online Services for businesses
Scheduled Online Services maintenance
Certain Online Services applications will be unavailable during the following periods.
- From 4:00 p.m. on Friday, December 26 until 7:00 a.m. on Friday, January 2, the Corporation Tax Extension application will be unavailable.
- From 4:00 p.m. on Tuesday, December 31 until 9:00 a.m. on Tuesday, January 6, the NYS-45 Web File application will be unavailable.
We apologize for any inconvenience.
Running a business is hard. A Business Online Services account can make it easier. It’s a free, convenient, and secure way to file returns, schedule payments, respond to department notices, and more!
A Business Online Services account: it’s an investment you can’t afford to pass up.
Key Business services

General services
Additional Information
- Adult-Use Cannabis Products Tax Web File
- Alcoholic beverages tax Web File
- Alcoholic beverage wholesaler information
- Beverage Container Web File
- Congestion Surcharge Web File
- CT-300 mandatory first installment
- CT-400 estimated tax
- Employer Compensation Expense Program (ECEP)
- Employer Compensation Expense Tax (ECET)
- File a partnership return extension
- File a power of attorney
- File exchange
- Franchisor information
- Highway Use Tax Web File
- International Fuel Tax Agreement Web File
- MCTMT Web File
- MCTMT upload
- Medical Cannabis Web File
- Motor vehicle insurers information
- NYS-1 Web File
- Opioid Excise Tax Web File
- Pass-through entity tax (PTET) Web File
- Petroleum Business Tax Web File
- PrompTax
- Sales tax refund request
- START-UP NY employer reporting
- Taxicab Web File
- Transportation network company assessment
- Vapor products registration
- Sales of cigarettes to Indian nations, tribes, or reservation cigarette sellers
- Wage reporting upload
- Waste Tire Web File
- Wireless Communications Surcharge Web File
Useful Resources
Additional Tools
Updated:

