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CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER F—MARINE ENGINEERING (parts 50 to 64) > PART 64—MARINE PORTABLE TANKS AND CARGO HANDLING SYSTEMS > SUBPART B—Standards for an MPT (§64.11 to §64.55) > 64.49—Labeling openings.
64.49—Labeling openings.
Each opening of a tank must be labeled to identify the function such as “suction”, “discharge”, “heating coil”.