ArtBuild OS

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Upstream payment dispute evidence pack

One indexed file of the payment dispute for your adviser.

Version
2026.1
Last updated
October 24, 2026

Prepared by ArtBuild to help you organise your paperwork. It is general information, not legal advice, and it has not been reviewed by a lawyer. Check the rules for your province or territory before you act.

Part of the Pay-When-Paid Protection Kit: start with its guide, and download the whole kit there.

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Create the subcontract payment chronology

Use this pack to connect your payment claim, the upstream explanation and the complete contract. Preserve evidence that contradicts your position as well as evidence that supports it. The pack does not decide clause enforceability.

Project subcontract and parties
Owner and upstream contracting chain
Prepared by date version and intended recipient
Invoices and work periods in dispute
DateEvent or statementSource IDConfirmed reported or disputed
Exact upstream-payment explanation
Your requested resolution and current response

Reconcile the account and upstream evidence

Your invoiceGross CADCredits CADReceived CADBalance CAD
Holdback within balance
Disputed items and deductions
Upstream application and allocated scope
Owner receipt evidence and verification limits
  • Attach complete payment clauses and incorporated terms.
  • Include invoice delivery and performance records.
  • Keep owner-payment information clearly separate from your own receipts.
  • Record partial payments and subsequent reversals.
  • Attach notices, demands and responses with exact delivery dates.
  • Index evidence of unrelated upstream disputes or allocation gaps.

Prepare the review questions

QuestionSupporting and contrary recordReviewer / action
Contractual payment trigger[enter][enter]
Effect of owner-payment clause[enter][legal review]
Statutory application and notices[enter][legal review]
Ledger and allocation difference[enter][enter]
Separate lien or other step[enter][legal review]
Missing documents and owner
Original custodian and secure copy index
Confirmed procedural dates and source
Next communication and reviewer
Dispatch version and recipient

Keep originals unchanged. No source in this pack should be described as an admission of liability unless that is established by the actual record and reviewed.

Before you act: this document is general information prepared by ArtBuild to help you organise facts and paperwork. It is not legal advice and has not been reviewed by a lawyer for your situation. Rules differ by province and territory and change over time. Check the official source for your project, and for deadlines, liens, court or insolvency steps, speak with a lawyer licensed where the project is located.

All Payments & Debt Recovery

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