Frequently Asked Questions About Account Information and Address Changes
- What are the requirements / procedures to change the address of a corporation?
- I am currently preparing my first Corporations Tax Return. How do I know what my account number is?
What are the requirements / procedures to change the address of a corporation?
Use our fast and easy online form to update your business or mailing address for your corporations tax, employer health tax, or retail sales tax account(s).
You can use the "Change of Address" insert provided with the monthly statement of account or with a Notice of Assessment or Reassessment. You may also provide a written notification of a change of address on company letterhead. The letter should be sent to:
Ministry of Revenue
Client Accounts and Services Branch
Corporations Tax Roll Section
33 King Street West
PO BOX 622
Oshawa ON L1H 8H6
I am currently preparing my first Corporations Tax Return. How do I know what my account number is?
To obtain your account number, please contact the Tax Roll Section of the Client Accounts and Services Branch at 905 433-6666, or any Ministry of Revenue tax office.
