# Vehicle service invoice guide survey

Clarify service invoice descriptions.

If nothing was unclear or difficult, say so. Skip questions about steps you did not experience; use not applicable where appropriate.

## 1. Which item label needed explanation?

Answer: ____________________

## 2. What approval reference was unclear?

Answer: ____________________

## 3. What question contact was missing?

Answer: ____________________

## Author notes / illustrative keys where applicable

1. Look for label meaning.
2. Look for approval context.
3. Look for contact.

Interpretation caution: No financial or legal advice.


## Illustrative finding and follow-up

Observation: Invoices omit links to the agreed scope.

Action to test: Reference the actual agreed service scope.

Follow-up: After the proposed change, ask relevant participants whether this original issue still occurs: Invoices omit links to the agreed scope. Record what they experienced, including none or not applicable; changes in the sample do not establish causation.