Tiercord Learn

Find your bearings.

A few useful places to start

GuidePayment deadlinesGuideProper invoicesGuideNotices of non-paymentGuideAdjudicationGuideHoldbackGuideLien rights

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Tiercord LearnFree construction-payment education
Back to free tools

Free tool / 01

Find your next date.

A clear view of the ordinary owner payment and notice windows, based on the facts you enter.

Your starting pointNo account needed
Scope & source for Ontario

Prompt-payment applicability depends on the contract and procurement transition rules, not just the date on an invoice. Check section 87.3. The rules changed again on 1 January 2026; use the applicable version.

Read the Ontario guide
Confirm the governing regime first.

Check the contract transition rules and project exclusions. This tool only calculates confirmed provincial owner-to-contractor scenarios.

Your entries stay in this page. No invoice upload or email address required.

An invoice. Two important windows.
14NOTICE WINDOW28PAYMENT WINDOW

Start with the facts.
See what follows.

Choose the province and confirm the scope to calculate a contractor-to-owner example. Your actual dates will appear here.

Ordinary provincial pattern. Qualifications apply.Understand the payment clock