Service Canada Form ISP-3550, Application for the Old Age Security Pension
Apply for the Old Age Security pension when you are not enrolled automatically.
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About Service Canada Form ISP-3550, Application for the Old Age Security Pension
Form ISP-3550, Application for the Old Age Security Pension, is a Service Canada form that seniors use to apply for the Old Age Security pension. Old Age Security is a monthly payment that many people can receive once they reach age 65. Many seniors are enrolled automatically and simply get a letter from Service Canada, while others are not and must apply, either on this paper form or online through My Service Canada Account.
You fill it in with your personal details, your history in Canada, banking information for direct deposit, and the date you want your pension to start. If you got an automatic enrolment letter that is correct, you may not need to send this form at all. This page is a free fillable helper and a general guide, not legal advice, so always download and file the current official ISP-3550 from Service Canada and check the current eligibility and payment details there.
Who needs to complete it
- Seniors around age 65 who were not enrolled for Old Age Security automatically.
- People who prefer to apply on paper rather than through My Service Canada Account.
- Newcomers and returning residents whose time in Canada needs to be reviewed.
- Anyone who received an automatic enrolment letter that has wrong or missing information.
How to fill out Service Canada Form ISP-3550, Application for the Old Age Security Pension
- 1Get the current ISP-3550 from Service Canada, or check whether you can apply online instead.
- 2Enter your full legal name, date of birth, and Social Insurance Number.
- 3Fill in your current address and contact information.
- 4List the countries you have lived in and the dates, since your history in Canada affects your application.
- 5Choose the date you want your Old Age Security pension to start.
- 6Add your banking details for direct deposit so payments reach your account.
- 7Answer the questions about your marital status and spouse or partner if they apply to you.
- 8Attach any proof or documents that the form asks for, such as proof of birth or legal status.
- 9Sign and date the application, or have your authorized representative sign where allowed.
- 10Mail or submit the completed form to Service Canada as the instructions direct, and keep a copy for yourself.
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Frequently asked questions
Do I have to apply for Old Age Security?
Not always. Many seniors are enrolled automatically and only get a letter from Service Canada. If you were not enrolled automatically, you apply using ISP-3550 or online through My Service Canada Account.
At what age can I get Old Age Security?
Old Age Security is generally available once you reach age 65. Service Canada explains the current eligibility rules, including residence requirements, on its website.
Can I apply online instead of on paper?
Often yes. Many people can apply through My Service Canada Account, while others use the paper ISP-3550. Check which option applies to you on the Service Canada page.
How much will I receive each month?
Payment amounts change over time and depend on your situation, so this guide does not list a figure. Check the current amount on the official Service Canada page.
What documents do I need to include?
The form may ask for proof such as your birth or legal status in Canada. Follow the document list in the current official form so your application is complete.
Is this the official Service Canada form?
This is a general helper, not legal advice. Always download and file the current official ISP-3550 from Service Canada before you rely on it.