Informative links

Important Phone Numbers

CRA
Individual income tax and Trust inquiries
1-800-959-8281 
Tax information for individuals and trusts, including personal income tax returns, instalments, RRSPs, and the Working Income Tax Benefit
 

Businesses and self-employed individuals
1-800-959-5525 
Business and GST/HST registration, payroll, GST/HST (including rebates such as the new housing rebates), excise taxes and other levies, excise duties, corporations, sole proprietorships and partnerships

Provincial Programs for Ontario (PPO) 
1-877-627-6645
Inquiries related to the Ontario trillium benefit (OTB) payment (includes the Ontario Sales Tax Credit (OSTC), the Ontario energy and property tax credit (OEPTC), the Northern Ontario energy credit (NOEC), and the Ontario senior homeowners' property tax grant (OSHPTG) payment.

Employer Contact Centre
1-800-367-5693  
Record of Employment (advice, guidance, paper ROE orders)