CFR > Title 33 - Navigation and Navigable Waters > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER C—AIDS TO NAVIGATION (parts 60 to 76) > PART 64—MARKING OF STRUCTURES, SUNKEN VESSELS AND OTHER OBSTRUCTIONS > SUBPART C—Structures (§64.21 to §64.23) > 64.23—Duration of marking on structures.

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.