Acceptance testing

What is an implementation acceptance test and why does a dealership need one?

A written definition, agreed before signature, of what has to be true for the implementation to count as complete. Without one, 'live' is decided by whoever is more insistent, and payment milestones detach from delivered functionality. With one, disputes become factual rather than rhetorical.

Direct answerSeptember 1, 2026 reviewedNeutral evaluation
Direct answer

What is an implementation acceptance test and why does a dealership need one?

A written definition, agreed before signature, of what has to be true for the implementation to count as complete. Without one, 'live' is decided by whoever is more insistent, and payment milestones detach from delivered functionality.

With one, disputes become factual rather than rhetorical. Specific records reconcile, specific reports match the prior system, named integrations pass a field-level test, named workflows complete without a manual step.

Avoid subjective wording. Hold a meaningful portion of the implementation fee against acceptance.

A milestone that is paid on elapsed time rather than delivered function provides no leverage. What happens if acceptance fails: a cure period, an extension of the parallel run at the provider's cost, or termination rights.

What is an implementation acceptance test and why does a dealership need one? at a glance
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01

Write it as observable outcomes

Specific records reconcile, specific reports match the prior system, named integrations pass a field-level test, named workflows complete without a manual step. Avoid subjective wording.

02

Tie payment to it

Hold a meaningful portion of the implementation fee against acceptance. A milestone that is paid on elapsed time rather than delivered function provides no leverage.

03

Define the remedy for failure

What happens if acceptance fails: a cure period, an extension of the parallel run at the provider's cost, or termination rights. Silence here means the risk sits with the store.

04

Name who signs it

One accountable person on each side, with the authority to accept or reject. Acceptance by absence of complaint is how disputed go-lives happen.

05

An example acceptance list

For a CRM, the list might include: leads from named sources arrive with correct source codes within a set time; a sold deal in the DMS updates the CRM within a set time; a customer opt-out in one system appears in the other; standard reports match the prior system for a defined month; and staff complete a named list of tasks on a phone. Each item has a test, a result and a sign-off.

06

Running the test

Schedule the test in the plan, prepare the data, run it with the people who will use the system and record results. Where an item fails, log it, agree the remedy and re-test.

Do not accept go-live with open critical items unless the contract states the consequence. Keep the signed record with the contract.

07

Common mistakes with acceptance

Writing the criteria after the project begins, using vague words such as works well, letting the vendor perform the test alone and treating silence as acceptance are frequent. Another is forgetting the integrations. Include each named connection with a field-level test so that acceptance covers the whole solution, not just the main application.

08

Questions to ask before signing

What are the acceptance criteria? Who runs the test and when?

What happens if an item fails? Is any payment linked to acceptance?

Can the store reject go-live if critical items are open? Does the test cover each integration?

Get answers in the statement of work, not the sales presentation.

Decision checklist

What to verify

Open procurement templates →
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Write acceptance as observable outcomes before signature

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Hold a meaningful payment milestone against it

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Define the remedy if acceptance fails

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Name one accountable signer on each side

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