Do you need to apply?
Use this form to apply for all child benefit programs, including the universal child care benefit (UCCB), Canada child tax benefit (CCTB), and the goods and services tax/harmonized sales tax (GST/HST) credit.
Find the address of the tax centre where you need to mail your form.
If you have provided your consent to use the Automated Benefits Application (ABA) service on the provincial/territorial birth registration form, you must not use the service apply for benefits online or complete an RC66 for the child. Re-applying may result in a delay in processing your ABA application and issuing payments