How to apply for the Old Age Security pension (ISP-3550) — and autofill your details with hivi
Apply for the Old Age Security pension (ISP-3550) without retyping your details
Old Age Security (OAS) is applied for online through My Service Canada Account, or on paper using Form ISP-3550 — Application for the Old Age Security Pension and the Guaranteed Income Supplement. This guide is an example of storing the repeating identity fields in hivi — it is not financial advice, and hivi is not affiliated with Service Canada or the Government of Canada.
Official form and source
Start from the official Service Canada source and always use the current process — requirements change:
- Apply for OAS: Old Age Security — apply — canada.ca
- About OAS: Old Age Security — canada.ca
What you're applying for
OAS is a monthly pension for seniors who meet the age and residence requirements. Some people are enrolled automatically and only receive a letter; others must apply. The ISP-3550 application also covers the Guaranteed Income Supplement (GIS) for lower-income seniors.
Before you start: what to gather
- Your full legal name, address, SIN, and date of birth.
- Your residence history in Canada (and abroad), which affects eligibility.
- Banking details for direct deposit, and any certified copies of documents the form requests.
How hivi makes it faster
- Store your identity once. Save your name, address, SIN, and date of birth in hivi.
- Autofill the identity fields. Use the hivi Chrome extension on the online application, or fill a PDF of the ISP-3550 from your saved profile inside hivi.
- Enter residence history and banking details yourself — these are specific to you.
- Review every field before submitting.
Why do it in hivi
Your name, address, SIN, and date of birth repeat across the OAS application, the CPP retirement pension application, and your tax forms. Stored once in hivi — in Canada, with self-hosted AI — each form starts mostly filled.
Frequently asked questions
- Do I need to apply for OAS or am I enrolled automatically?
- Service Canada enrols some people automatically and sends a letter; others must apply, online through My Service Canada Account or on the paper ISP-3550. Check your situation on the OAS apply page on canada.ca.
- What is the ISP-3550 form?
- ISP-3550 is the Application for the Old Age Security Pension and the Guaranteed Income Supplement. It asks for your identity, residence history in Canada, and banking details. hivi can autofill your name, address, SIN, and date of birth.
- Does hivi work out my OAS amount?
- No. hivi autofills your repeating identity details. Your eligibility and amount depend on your residence history and income — Service Canada determines those, and you review and submit the form yourself.
Fill it once. Reuse it everywhere.
Save your information in hivi once, then autofill this form and the next one — web forms with the Chrome extension, PDFs right in the app. Your data is stored in Canada and AI runs on hivi's own servers, never sent to third-party AI providers.