[Code of Federal Regulations] [Title 33, Volume 1] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR67.10-30] [Page 169] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 67_AIDS TO NAVIGATION ON ARTIFICIAL ISLANDS AND FIXED STRUCTURES --Table of Contents Subpart 67.10_General Requirements for Sound signals Sec. 67.10-30 Withdrawal of approval. The Coast Guard may withdraw approval of a sound signal if it fails to meet the requirements of Sec. 67.10-1 (a), (b), and (c).