# Correct a scan and deliberately rescan

Keep linked corrections and earlier repeats, then make a fresh observation.

Source: https://help.smartfact.ai/manifestbench/guides/correct-and-rescan

Audience: Operator

## Correct a scan and deliberately rescan

1. **Start a manifest check**

   Start a manifest check.

   Check distinct IDs against a reviewed local list. This synthetic lesson never confirms physical contents or despatch.

2. **Choose the prepared manifest**

   Choose the prepared manifest.

   The prepared CSV enters the real file input. Each listed carton has its own exact ID; this is not a quantity list.

3. **Map the exact ID column**

   Map the exact ID column.

   Choose Label for the carton IDs. Leading zeroes remain significant.

4. **Map the descriptions**

   Map the descriptions.

   Choose Text for the description. The Ignore column stays outside the retained snapshot.

5. **Name the manifest snapshot**

   Name the manifest snapshot.

   Give this reviewed snapshot a recognisable name. A name and date are local context, not verified authority.

6. **Declare the list date**

   Declare the list date.

   This declared source date does not prove that a manifest is current.

7. **Confirm distinct physical IDs**

   Confirm distinct physical IDs.

   Confirm that every row is a distinct carton, pallet or serial ID, never a repeated SKU representing a quantity.

8. **Load the reviewed manifest**

   Load the reviewed manifest.

   The real reader validates three unique IDs and keeps only the mapped columns. A pallet ID never implies its child cartons were checked.

9. **Record the first listed ID**

   Record the first listed ID.

   The exact listed ID counts once. This keyboard submission is a local observation, not proof that goods were loaded.

10. **Keep a repeated scan visible**

   Keep a repeated scan visible.

   A repeated ID does not satisfy another listed carton. The observation stays in history as Already seen.

11. **Review coverage and exceptions**

   Review coverage and exceptions.

   Review missing, unexpected and repeated observations independently before finishing or exporting.

12. **Correct the original observation with a reason**

   Correct the original observation with a reason.

   The original observation remains linked to its correction. Its earlier repeat is not promoted into evidence; a deliberate new scan is needed.

13. **Return to scanning**

   Return to scanning.

   Continue with the existing list and retained history.

14. **Record the first listed ID**

   Record the first listed ID.

   The exact listed ID counts once. This keyboard submission is a local observation, not proof that goods were loaded.

15. **Review coverage and exceptions**

   Review coverage and exceptions.

   Review missing, unexpected and repeated observations independently before finishing or exporting.

[Watch or practise this chapter](https://help.smartfact.ai/manifestbench/demo?guide=correct-and-rescan&chapter=correct-and-rescan)