---
kind: "section"
citation: "33 C.F.R. § 64.21"
title: "33"
number: "64.21"
heading: "Marking and notification requirements."
url: "https://uscodex.org/cfr/33/64.21"
---

# §64.21. Marking and notification requirements.


Before establishing a structure, the owner or operator shall apply for Coast Guard authorization to mark the structure in accordance with [§ 66.01-5](/cfr/33/66.01-5.md) of this chapter. The appropriate District Commander will determine the marking requirements.


## 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.