# Early filing of ISF — What must pass before the next step: mandated step order in regulated processes

For Early filing of ISF, process is Importer Security Filing (ISF); jurisdiction is United States (CBP); what must already be done is a bond can be secured in time for the filing, recorded from its source on 2026-08-11.

- **Step:** Early filing of ISF _(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:** a bond can be secured in time for the filing _(verified: appears in the quote below)_

## What the source says

> Early filing of ISF is encouraged as it allows more time to make amendments and it is a good practice to ensure that a bond can be secured in time for the filing.

## Source

- https://www.cbp.gov/sites/default/files/assets/documents/2018-Nov/Updated%20ISF%20FAQ%20FINAL%2011282018.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/).