Notify a contractor of a lien claim without retyping claimant and contractor details

Owners or lien claimants giving notice to a contractor under subsection 19(1) repeat claimant identity, contractor name and address, and premises particulars on every Construction Act Form 3 notice. This guide is an example of storing them once in hivi.

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 3 - Notice to Contractor Under Subsection 19 (1) of the Act Construction Lien Act — cla-3

What this form is about

Form cla-3 is Form 3 — Notice to Contractor Under Subsection 19(1) of the Construction Act, used when notifying a contractor of a lien or related claim — confirm service rules on ontario.ca.

Before you start: what to gather

• Claimant legal name and address for service.
• Contractor name and address.
• Premises or project address and improvement description.
• Contract reference and parties — confirm with counsel.

Confirm the current process on ontario.ca.

How hivi makes it faster

1. Save it once. Store your claimant and contractor business names and addresses in your hivi profile.
2. Keep documents ready. Upload supporting documents to hivi Files so you are not searching at form time.
3. Autofill the form. Use the hivi Chrome extension on a web form, or fill a PDF from your saved profile inside hivi.
4. Review and submit yourself through the official channel.

Why do it in hivi

Related Ontario forms repeat the same personal details. Captured once in hivi — stored in Canada, with AI on its own servers — every form starts mostly complete.