# Release of shipments — What must pass before the next step: mandated step order in regulated processes

For Release of shipments, process is Importer Security Filing (ISF); jurisdiction is United States (CBP); what may not proceed until it passes is Release of shipments with no associated ISF will be withheld until the ISF is provided, recorded from its source on 2026-08-11.

- **Step:** Release of shipments _(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 may not proceed until it passes:** Release of shipments with no associated ISF will be withheld until the ISF is provided _(verified: appears in the quote below)_

## What the source says

> CBP has been in full enforcement phase of the ISF since July 9, 2013. Release of shipments with no associated ISF will be withheld until the ISF is provided.

## 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/).