---
kind: "section"
citation: "43 C.F.R. § 3503.42"
title: "43"
number: "3503.42"
heading: "When I submit confidential, proprietary information, how can I help ensure it is not available to the public?"
url: "https://uscodex.org/cfr/43/3503.42"
---

# §3503.42. When I submit confidential, proprietary information, how can I help ensure it is not available to the public?


When you submit data and information that you believe to be exempt from disclosure by [part 2 of this title](/cfr/43/part2.md), you must clearly mark each page that you believe contains confidential information. BLM will keep all data and information confidential to the extent allowed by [§ 2.13(c)](/cfr/43/2.13.md?p=c) of this title.


## Notes

### Authority

Authority: 5 U.S.C. 552; 30 U.S.C. 189, 192c, and 209; 43 U.S.C. 1701 et seq.; and sec. 402, Reorganization Plan No. 3 of 1946 (5 U.S.C. appendix).

### Source

Source: 64 FR 53536, Oct. 1, 1999, unless otherwise noted.