The labor invoice must state what the workshop did, who approved the charge and how far the work went. With only item codes and a total amount, the customer cannot judge whether the diagnostic fee is included in the subsequent repair.
Split the Quote by Work Content
Using a repair inquiry for the Geely Monjaro L as an example, first confirm the job materials against the exact VIN, then separate checking, replacement and rechecking. The webpage configuration is only for initial identification; labor allowances, warranty coverage and parts prices must all be confirmed against the order and the actual diagnosis.
It is advisable to record the customer's original complaint wording and the workshop's plan in separate columns on the work order. The reception staff writes the symptom the customer wants resolved, the technician fills in the inspection scope proposed and the authorization needed, and the quoting staff then matches the chargeable items. For work that cannot be priced yet, first write what result is being awaited, instead of filling the blank in as free or already included.
When codes are used, keep the written explanation and the applicable work recorded at that time, so that settlement staff can understand them later. Whether a disassembly item overlaps a later replacement should be rechecked by the person responsible for quoting against the actual plan; if a question arises, return the item for explanation first. Do not decide to combine or double-charge items merely because the project names look similar.
Each System Code Needs an Understandable Explanation
| Item | Customer-readable explanation | Supporting material |
|---|---|---|
| Diagnostics | Scope of searching for the reported fault | Complaint description and test results |
| Disassembly or replacement | The parts actually handled | Approved quote and parts requisition |
| Recheck | Whether the original issue has been resolved | Recheck results and items still open |
The quote confirmed by the customer can be kept aligned with the work order, noting the scope accepted and the reply channel. Before technicians draw parts or add inspections, look at the currently approved content first; when the scope needs to expand, explain the added items and the original unfinished tasks separately. If the customer approved only diagnostics, the work order should not show replacement as approved.
For settlement review, ask someone not involved in quoting to question line by line whether the work actually occurred, where the supporting material is and whether the bearing party is clear. Cancelled items keep the reason for cancellation; items not yet completed are separated from settled content. When a customer challenges the bill, first provide an explanation of the item asked about, instead of answering with the whole invoice total.
Added Items Need Separate Confirmation
When a new problem appears during repair, explain the added cost and the waiting time first, and obtain authorization afterwards. SIC product-fault materials relate to consumer communication but do not provide labor standards for this model. Settlement must be traceable to customer confirmation; a signature obtained afterwards cannot be treated as prior approval.
Trace Chargeable Items Back from the Customer's Question
Example only; the contract and the physical vehicle prevail. A customer asks why diagnostics and recheck charges appear together for a given VIN. Reception staff can first find the complaint description, the originally approved scope and the actual work records, ask the repair lead to explain each treatment, and then have the quoting staff confirm whether the charges correspond to the agreement. Items that cannot be explained are kept for review first; do not ask the customer to accept a general explanation.
If the inspection result does not support the planned replacement, check whether parts were already drawn, whether they need to be returned and whether the customer agreed to the follow-up operation. Write the cancellation or adjustment reason into that work order, and make the bill use explanations that can be matched. When the vehicle is returned, explain the unfinished items separately, so that a completed settlement is not understood as meaning that all reported problems were resolved.
FAQ
Is a labor invoice needed for warranty repairs too?
Yes, it is needed to state the work and the bearing party, even when the customer does not pay directly.
How should a fault that cannot be reproduced be recorded?
State the inspection conditions and results; do not write that the customer described it wrongly.
Does renaming a system code affect old records?
Keep the old code and its explanation, so that historical bills do not lose their explanation.
What if the customer refuses the added items?
Record the scope refused and state whether the unfinished items affect safe return of the vehicle.
When arranging an after-sales settlement plan, you can provide a sample table of labor items without customer identity; you can reach us through the Starvia contact page or WhatsApp.
Public references: Colombia SIC product faults and consumer rights. Information checked on: 2026-09-03.