---
kind: "section"
citation: "19 C.F.R. § 143.4"
title: "19"
number: "143.4"
heading: "Confidentiality of data."
url: "https://uscodex.org/cfr/19/143.4"
---

# §143.4. Confidentiality of data.


The electronic data received and exchanged by a service bureau shall be considered confidential, and the service bureau shall maintain the accuracy of data received in the process of formatting and transmitting such data on behalf of a filer, and shall not disclose this data or any information connected therewith to any persons other than the filer or Customs (see [§ 111.24](/cfr/19/111.24.md) of this chapter).


## Notes

### Source

Source: T.D. 90-92, 55 FR 49884, Dec. 3, 1990, unless otherwise noted.

### Authority

Authority: 19 U.S.C. 66, 1321, 1414, 1481, 1484, 1498, 1624, 1641.

### Source

Source: T.D. 73-175, 38 FR 17463, July 2, 1973, unless otherwise noted.