Tying payments to agreed evidence: Define payment triggers, evidence and reviewers before work starts.; Use a table to record event, goods, evidence, decision and timing for each instalment.; Record partial or failed results with correction plans—don’t rewrite criteria after checking.
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Freight & Payments

Part of Supplier payment risk

Keeping payment milestones tied to agreed evidence

Define supplier payment milestones by covered goods, evidence, reviewer, timing and the treatment of failed or partial results.

A supplier payment milestone is useful when both parties agree what triggers it, the evidence the buyer will receive and what happens if a check fails. Set those terms before work starts. An invoice or progress update should not quietly become the acceptance rule.

Define the payment decision

For each instalment, record the order and product version, amount, covered goods, trigger, evidence, reviewer and payment deadline. Distinguish a fixed-date instalment from a result-based milestone. If payment is due regardless of production progress, describe it as a date-based obligation.

Field / Agree before production

Event
The production or delivery state that triggers payment
Goods
Order lines, variants and quantity covered
Evidence
The identified record, sample or inspection result to review
Decision
Who may accept the evidence or request correction
Timing
Review period, invoice point and payment deadline
Exception
Treatment of a failed or partial result

The agreement controls the parties’ rights and deadlines; the table records them.

Fixed-Date vs. Result-Based Payment Milestones

Dependence on progress
Not dependent on work completion
Evidence requirement
Minimal or none – payment due regardless
Risk of dispute
Higher if goods not delivered or defective
Alternative: Result-based milestone
Triggered by achievement of a specific outcome
Evidence needed
Agreed records, samples, or inspections
Better for quality control
Ensures deliverables meet agreed standards

Key Steps Before Work Starts

  • Define the payment triggerAgree what event must occur to activate payment
  • Confirm covered goodsList order lines, variants, and quantities
  • Agree on acceptable evidenceSpecify documents, samples, or test results
  • Name the reviewerIdentify who approves or rejects evidence
  • Set payment deadlinesInclude review window and final due date
  • Plan for failuresAgree how to handle rejected or partial results

Critical Elements of a Payment Milestone Agreement

Must be agreed before production
Yes
Evidence must be verifiable
Required
Payment does not equal acceptance
True – must be documented separately
Dispute resolution process
Mandatory in contract

Match evidence to the event

For sample approval, identify the sample, specification version, criteria assessed and open checks. For a production stage, request records showing the work completed and goods covered.

For finished goods, identify the lot and agreed checks. A photograph may show a visible feature, but it does not establish the condition of goods outside the image.

Agree any inspection, testing or correction opportunity before the instalment is due and allow time for it. If evidence cannot be available until after the due date, revise the trigger by agreement or recognise the payment as an earlier funding commitment.

Record partial and failed results

In a hypothetical two-variant order, one variant may be ready while the other is unfinished. The schedule should say whether both are required, whether an accepted quantity can trigger a proportionate payment, or whether the parties need to agree a variation. Record the quantities and decision rather than relying on “stage complete”.

If evidence fails an agreed criterion, identify the requirement and affected goods. Record the correction and recheck proposed, then whether the milestone remains open, is partly accepted under the agreed terms or is accepted with an authorised exception.

Do not rewrite the criterion after seeing the result. If payment is disputed, follow the agreement’s dispute process; seek advice before assuming that an amount may be withheld.

Keep the evidence, invoice and approval together so another person can see why a particular payment became due. Payment itself does not establish that all goods were accepted.

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