As and when required in this section, placards shall be affixed to the exterior surface of containers,
MEGCs, MEMUs, tank-containers, portable tanks and vehicles. Placards shall correspond to the
labels required in Column (5) and, where appropriate, Column (6) of Table A of Chapter 3.2 for the
dangerous goods contained in the container, MEGC, MEMU, tank-container, portable tank or vehicle
and shall conform to the specifications given in 18.104.22.168. Placards shall be displayed on a background
of contrasting colour, or shall have either a dotted or solid outer boundary line.
For Class 1, compatibility groups shall not be indicated on placards if the vehicle, container or special
compartments of MEMUs are carrying substances or articles belonging to two or more compatibility
groups. Vehicles, containers or special compartments of MEMUs carrying substances or articles of
different divisions shall bear only placards conforming to the model of the most dangerous division in
1.1 (most dangerous), 1.5, 1.2, 1.3, 1.6, 1.4 (least dangerous).
When 1.5 D substances are carried with substances or articles of Division 1.2, the vehicle or container
shall be placarded as Division 1.1.
Placards are not required for the carriage of explosives of Division 1.4, compatibility group S.
For Class 7, the primary risk placard shall conform to model No. 7D as specified in 22.214.171.124.2. This
placard is not required for vehicles or containers carrying excepted packages and for small containers.
Where both Class 7 labels and placards would be required to be affixed to vehicles, containers,
MEGCs, tank-containers or portable tanks, an enlarged label corresponding to the required label of
model No. 7A, 7B or 7C may be displayed instead of placard No.7D to serve both purposes. In that
case, the dimensions shall be not less than 250 mm by 250 mm.
For Class 9 the placard shall correspond to the label model No. 9 as in 126.96.36.199.2; label model No. 9A
shall not be used for placarding purposes.
Containers, MEGCs, MEMUs, tank-containers, portable tanks or vehicles containing goods of more
than one class need not bear a subsidiary risk placard if the hazard represented by that placard is
already indicated by a primary or subsidiary risk placard.
Placards which do not relate to the dangerous goods being carried, or residues thereof, shall be
removed or covered.
When the placarding is affixed to folding panels, they shall be designed and secured so that they
cannot unfold or come loose from the holder during carriage (especially as a result of impacts or
Placarding of containers, MEGCs, tank-containers and portable tanks
NOTE: This sub-section does not apply to swap bodies, except tank swap bodies or swap bodies
carried in combined road/rail transport.
The placards shall be affixed to both sides and at each end of the container, MEGC, tank-container or
When the tank-container or portable tank has multiple compartments and carries two or more
dangerous goods, the appropriate placards shall be displayed along each side at the position of the
relevant compartments and one placard of each model shown on each side at both ends. If all
compartments have to bear the same placards, these placards need to be displayed only once along
each side and at both ends of the tank container or portable tank.
Placarding of vehicles carrying containers, MEGCs, tank-containers or portable tanks
NOTE: This sub-section does not apply to the placarding of vehicles carrying swap bodies other than
tank swap bodies or than swap bodies carried in combined road/rail transport; for such vehicles, see
If the placards affixed to the containers, MEGCs, tank-containers or portable tanks are not visible
from outside the carrying vehicles, the same placards shall also be affixed to both sides and at the rear
of the vehicle. Otherwise, no placard need be affixed on the carrying vehicle.
Placarding of vehicles for carriage in bulk, tank-vehicles, battery-vehicles, MEMUs and vehicles with demountable tanks
Placards shall be affixed to both sides and at the rear of the vehicle.
When the tank-vehicle or the demountable tank carried on the vehicle has multiple compartments and
carries two or more dangerous goods, the appropriate placards shall be displayed along each side at
the position of the relevant compartments and one placard of each model shown on each side at the
rear of the vehicle. If all compartments have to bear the same placards, these placards need be
displayed only once along each side and at the rear of the vehicle.
Where more than one placard is required for the same compartment, these placards shall be displayed
adjacent to each other.
NOTE: When, in the course of an ADR journey or at the end of an ADR journey, a tank semi-trailer is
separated from its tractor to be loaded on board a ship or an inland navigation vessel, placards shall
also be displayed at the front of the semi-trailer.
MEMUs with tanks and bulk containers shall be placarded in accordance with 188.8.131.52.1 for the
substances contained therein. For tanks with a capacity of less than 1 000 litres placards may be
replaced by labels conforming to 184.108.40.206.
For MEMUs carrying packages containing substances or articles of Class 1 (other than of Division
1.4, Compatibility group S), placards shall be affixed to both sides and at the rear of the MEMU.
Special compartments for explosives shall be placarded in accordance with the provisions of 220.127.116.11.2.
The last sentence of 18.104.22.168.2 does not apply.