- 2011 General Income Tax and Benefit package (T1 Return)
- 2007 CT23 Corporations Tax and Annual Return [PDF - 289 KB]
- Apply for a Social Insurance Number
- Change the address on your health card, driver's license and/or outdoors card
- Change your business/mailing address, telephone and fax numbers, account contact information
- HST Refund for First Nations for the Period July 1, 2010 to August 31, 2010 inclusive
- HST Refund for First Nations on or after September 1, 2010
- Request a refund of Land Transfer Tax for first-time homebuyers [PDF - 378 KB]
- Request a refund of Retail Sales Tax [PDF - 400 KB]
- Update corporate information such as directors, officers or registered head office address
- View a sample RST Purchase Exemption Certificate [PDF - 500 KB]
The forms on this site are the most current version and have been provided by the Government of Ontario, the Government of Canada and other organizations. To avoid using outdated versions, we recommend that you do not download files to your hard drive. New and revised forms are added to this site frequently.
Some forms may be viewed and filled-in on screen. Due to internet security and privacy issues, forms must be returned to the ministry by fax (where applicable), mail, or in person.
You can search for forms by topic, for example, child care; by client, such as farmers; by title, such as Change of Address; and by popularity (see most popular forms below).
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- Income Tax
- International Fuel Tax Agreement
- Land Transfer Tax
- Northern Ontario Energy Credit
- Objections & Appeals
- Ontario Opportunity Bonds
- Provincial Land Tax
- Provincial Sales Tax
- Research Employee Stock Option Credit
- Retail Sales Tax
- Tax Compliance Declaration
- Tobacco Tax
- Used Motor Vehicles
- Vehicles Powered by Alternative Fuels
