---
kind: "section"
citation: "33 C.F.R. § 64.23"
title: "33"
number: "64.23"
heading: "Duration of marking on structures."
url: "https://uscodex.org/cfr/33/64.23"
---

# §64.23. Duration of marking on structures.


Markings determined to be required shall be established and maintained until:

- (a) The structure is removed; or
- (b) **Otherwise directed by the District Commander.**

## Notes

### Source

Source: CGD 78-156, 48 FR 11267, Mar. 17, 1983, unless otherwise noted. Redesignated by CGD 91-031, 57 FR 43402, Sept. 21, 1992.

### Authority

Authority: 14 U.S.C. 503; 33 U.S.C. 409; 42 U.S.C. 9118; 43 U.S.C. 1333; 46 U.S.C. 70034; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 78-156, 48 FR 11267, Mar. 17, 1983, unless otherwise noted.