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

For ISF elements, process is Importer Security Filing (ISF); jurisdiction is United States (CBP); deadline is no later than 24 hours before the cargo is laden aboard a vessel destined to the United States, recorded from its source on 2026-08-11.

- **Step:** ISF elements _(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)_
- **Deadline:** no later than 24 hours before the cargo is laden aboard a vessel destined to the United States _(verified: appears in the quote below)_

## What the source says

> For ISF elements that must be submitted no later than 24 hours before the cargo is laden aboard the vessel at the foreign port, the elements must be submitted no later than 24 hours before the cargo is laden aboard a vessel destined to the United States.

## 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/).