Provisions which take up the whole width of the page apply both to fixed tanks (tank-vehicles), demountable tanks and battery-vehicles, and to tank-containers, tank swap bodies and MEGCs. Provisions contained in a single column apply only to:

- fixed tanks (tank-vehicles), demountable tanks and battery-vehicles (left-hand column);

- tank-containers, tank swap bodies and MEGCs (right-hand column).

These provisions apply to:

fixed tanks (tank-vehicles), demountable tanks and battery-vehicles

| tank-containers, tank swap bodies and MEGCs

used for the carriage of gaseous, liquid, powdery or granular substances.

Section 4.3.2 lists the provisions applicable to fixed tanks (tank-vehicles), demountable tanks, tankcontainers and tank swap bodies, intended for the carriage of substances of all classes, and to batteryvehicles and MEGCs intended for the carriage of gases of Class 2. Sections 4.3.3 and 4.3.4 contain special provisions adding to or amending the provisions of Section 4.3.2.

For requirements concerning the construction, equipment, type approval, tests and marking, see Chapter 6.8.

For transitional measures concerning the application of this Chapter, see:


| 1.6.4.

Provisions applicable to all classes


A substance subject to ADR may be carried in fixed tanks (tank-vehicles), demountable tanks, batteryvehicles, tank-containers, tank swap bodies and MEGCs only when provision is made for a tank code according to and in Column (12) of Table A in Chapter 3.2.

The required type of tank, battery-vehicle and MEGC is given in code form in Column (12) of Table A in Chapter 3.2. The explanations for reading the four parts of the code are given in (when the substance to be carried belongs to Class 2) and in (when the substance to be carried belongs to Classes 1 and 3 to 9)1.

The required type according to corresponds to the least stringent construction requirements which are acceptable for the dangerous substance in question unless otherwise prescribed in this Chapter or in Chapter 6.8. It is possible to use tanks corresponding to codes prescribing a higher minimum calculation pressure, or more stringent requirements for filling or discharge openings or for safety valves/devices (see for Class 2 and for Classes 3 to 9).

1 An exception is made for tanks intended for the carriage of substances of classes 1, 5.2 or 7 (see

For certain substances, tanks, battery-vehicles or MEGCs are subject to additional provisions which are included as special provisions in Column (13) of Table A in Chapter 3.2.

Tanks, battery-vehicles and MEGCs shall not be loaded with any dangerous substances other than those for the carriage of which they have been approved according to and which, in contact with the materials of the shell, gaskets, equipment and protective linings, are not liable to react dangerously with them (see "dangerous reaction" in 1.2.1), to form dangerous products or appreciably to weaken these materials2.

Foodstuffs shall not be carried in tanks used for dangerous substances unless the necessary steps have been taken to prevent any harm to public health.

The tank record shall be retained by the owner or the operator who shall be able to provide this documentation at the request of the competent authority. The tank record shall be maintained throughout the life of the tank and retained for 15 months after the tank is taken out of service.

Should a change of owner or operator occur during the life of the tank the tank record shall be transferred without delay to the new owner or operator.

Copies of the tank record or all necessary documents shall be made available to the expert for tests, inspections and checks on tanks in accordance with or, on the occasion of periodic inspections or exceptional checks.

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