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CFR > Title 33 - Navigation and Navigable Waters > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER S—BOATING SAFETY (parts 173 to 188) > PART 174—STATE NUMBERING AND CASUALTY REPORTING SYSTEMS > SUBPART B—Numbering System Requirements (§174.11 to §174.31) > 174.27—Duration of certificate of number.
174.27—Duration of certificate of number.
A certificate of number must not be valid for more than 3 years.