Where to Find Your Child's SIN Number: A Comprehensive Guide

The Social Insurance Number (SIN) is a crucial document Canadians require from birth. It's not only for adults but also for children, opening the door for various family-focused government benefits. If you're wondering where to find your child's SIN, here's a comprehensive guide.

Get Your Child's SIN from a Newborn Registration Service

One of the quickest ways to find your child's SIN number is to use the Newborn Registration Service. This allows you to apply for your child's Birth Certificate, SIN, and Canada Child Benefits at the same time. The program is offered in several provinces, making it easy to apply and receive your child's SIN directly at the hospital after birth.

Request it from Service Canada

Service Canada manages SIN applications and queries. Parents can physically visit their local Service Canada office to request a new or replacement SIN card. To apply for a SIN, you'll need a primary document like a birth certificate or permanent resident card, and a secondary document like a parent’s SIN number or a health card.

Online Application

Service Canada also offers online SIN applications. You can submit your required documents, including your child’s birth certificate and a personal document such as a Canadian driver's license, by mail after completing the online form. Following verification, Service Canada will mail your child's SIN number.

Applying via Mail

If you don't have access to a local Service Canada office or the internet, you can apply via mail. You will need to send original documents and your completed application form to the designated SIN application mailing address.

Contacting the Canada Revenue Agency

The Canada Revenue Agency (CRA) is another resource for obtaining your child's SIN. If your child has ever been claimed as a dependent on your tax return, the CRA should have their SIN on file. You may call the CRA and request your child’s SIN after verifying your and your child’s identities.

Remember that your child's SIN is essential and sensitive information that should be kept confidential and safe at all times. It should only be provided when legally required to avoid unauthorized use and identity theft. Also, bear in mind the importance of having your other documents in order, as they will be needed during the application or recovery process.

While it may seem challenging navigating the Canadian government's platforms and services initially, the process will be smooth once you understand the various available resources and the best suits your situation.