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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 183—BOATS AND ASSOCIATED EQUIPMENT > SUBPART J—Fuel Systems (§183.501 to §183.590) > 183.518—Fuel tank openings.
183.518—Fuel tank openings.
Each opening into the fuel tank must be at or above the topmost surface of the tank.