# ISF-10 will be replacing the existing ISF-5 — What must pass before the next step: mandated step order in regulated processes

For ISF-10 will be replacing the existing ISF-5, process is Importer Security Filing (ISF); jurisdiction is United States (CBP); what must already be done is an active ISF-5 filing must already exist for this shipment against the same bill of lading number (i.e., lowest AMS bill of lading number) in order for this new filing to be valid, recorded from its source on 2026-08-11.

- **Step:** ISF-10 will be replacing the existing ISF-5 _(verified: appears in the quote below)_
- **Process:** Importer Security Filing (ISF) _(our reading, not quoted from the source)_
- **Jurisdiction:** United States (CBP) _(our reading, not quoted from the source)_
- **What must already be done:** an active ISF-5 filing must already exist for this shipment against the same bill of lading number (i.e., lowest AMS bill of lading number) in order for this new filing to be valid _(verified: appears in the quote below)_

## What the source says

> In these instances, a new ISF-10 must be created and ISF Submission Type “3” must be selected to denote that an ISF-10 will be replacing the existing ISF-5. Note that an active ISF-5 filing must already exist for this shipment against the same bill of lading number (i.e., lowest AMS bill of lading number) in order for this new filing to be valid.

## Source

- https://www.cbp.gov/sites/default/files/documents/10_2faq_0.pdf

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [What must pass before the next step: mandated step order in regulated processes](https://referencesource.org/prerequisite-sequencing-regulated-processes/).