Individual income tax enquiries
Tax information for individuals, including personal income tax returns, instalments, RRSPs, and the Working Income Tax Benefit Hours of service and service standard
Businesses and self-employed individuals
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 Hours of service and service standard
Universal Child Care Benefit, Canada Child Tax Benefit
UCCB, CCTB and related provincial and territorial programs, child disability benefit and children's special allowances Hours of service and service standard
e-service Helpdesk for businesses
Call these numbers when you cannot access My Business Account, or when you need help with GST/HST NETFILE, GST/HST TELEFILE, Filing Information Returns Electronically, Represent a client, or Payroll Deductions Online Calculator
