# CT - Compliant Transaction — What must pass before the next step: mandated step order in regulated processes

For CT - Compliant Transaction, process is Importer Security Filing (ISF); jurisdiction is United States (CBP); what must already be done is All data is present and is based upon the best information available at the time of the filing, recorded from its source on 2026-08-11.

- **Step:** CT - Compliant Transaction _(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:** All data is present and is based upon the best information available at the time of the filing _(verified: appears in the quote below)_

## What the source says

> CT - Compliant Transaction – All data is present and is based upon the best information available at the time of the filing; no special flexibility rules apply. If CT is used, the ISF can be updated if necessary, but CBP does not necessarily expect to see updates for these filings. CT is also used to finalize a FR, FT or FX 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/).