Check before you send.

A practical information checklist for contractor-to-owner invoices. Keep the statute and your contract beside you.

Project province

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

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01Contractor name and addressOnt. CA s. 6.1(1), para. 102Date of invoiceOnt. CA s. 6.1(1), para. 203Period, milestone or other contractual payment entitlement the invoice relates toOnt. CA s. 6.1(1), para. 204Identification of the contract or other authorityOnt. CA s. 6.1(1), para. 305Description of services or materials, with quantities where appropriateOnt. CA s. 6.1(1), para. 406Amount payable and payment termsOnt. CA s. 6.1(1), para. 507Payment recipient or receiving office / departmentThe person’s name, title, mailing address and telephone number, or the receiving office / department’s name, mailing address and telephone number. Ontario s. 6.1(1), para. 6.08Reasonable accounts-payable information requestsCheck information reasonably requested by the owner for the proper functioning of its accounts-payable system. Ontario s. 6.1(1), para. 6.1.09Other applicable information and contract requirementsCheck any prescribed information and applicable contractual requirements. The statutory field list alone does not establish that a specific invoice is proper.