How to certify subcontract completion (Form 7) — and autofill cla-7 with my-id.ca
Certify subcontract completion without retyping contractor and project details
Subcontractors certifying completion under subsection 33(1) repeat business names, project addresses, and contractor identities on every Construction Act Form 7 certificate. This guide is an example of storing them once in my-id.ca.
Official form and source
Start from the official source and always use the current version — form numbers and links can change:
- Service page: Construction Act — ontario.ca
- Form (Central Forms Repository): Form 7 - Certificate of Completion of Subcontract Under Subsection 33 (1) of the Act Construction Lien Act — cla-7
What this form is about
Form cla-7 is Form 7 — Certificate of Completion of Subcontract under subsection 33(1) of the Construction Act — confirm timing and notice rules on ontario.ca.
Before you start: what to gather
- Subcontractor legal name and business address.
- Contractor or owner name and address.
- Project or premises address and contract description.
- Completion date and statutory attestations — prepare with counsel.
Confirm the current process on ontario.ca.
How my-id.ca makes it faster
- Save it once. Store your contractor, subcontractor, and project location details in your my-id.ca profile.
- Keep documents ready. Upload supporting documents to my-id.ca Files so you are not searching at form time.
- Autofill the form. Use the my-id.ca Chrome extension on a web form, or fill a PDF from your saved profile inside my-id.ca.
- Review and submit yourself through the official channel.
Why do it in my-id.ca
Related Ontario forms repeat the same personal details. Captured once in my-id.ca — stored in Canada, with AI on its own servers — every form starts mostly complete.
Frequently asked questions
- When is Form 7 filed?
- When certifying subcontract completion under subsection 33(1) — confirm deadlines on ontario.ca.
- How does my-id.ca help?
- It autofills subcontractor, contractor, and project address fields.
- Does this preserve a lien?
- Confirm lien preservation and perfection steps separately.
Fill it once. Reuse it everywhere.
Save your information in my-id.ca 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 my-id.ca's own servers, never sent to third-party AI providers.