Government Contact Information

Federal:

Corporate/GST-general line 1-800-959-5525
Income Security ( Health & Welfare) 1-800-277-9914
Fax numbers: GST maintenance 613-941-6322 or 941-6183
Corporate services 416-954-5294 (business consent authorization)

Provincial:

Ontario Corporate Tax - Oshawa 416-920-9048
Ministry of Finance 416-920-9048 X6559 - audit enquiries
416-920-9048 X3036 - accounting inquiries

Business Registration for Corporation or
Unincorporated proprietorship or partnership
Companies Branch
375 University Ave., Suite 2000
Toronto, Ontario
M5G 2M2
Telephone: 416-314-8880

PST
Ministry of Revenue Retail Sales Tax Branch
5 Park Home Ave., Suite200
North York, Ontario M2N 6W8
Telephone 416-222-3226

WSIB:
o Workers Compensation Board
200 Front St. West
Toronto, ON M5V 3J1
Telephone: 416-344-1000

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