Application and general provisions

This Part sets forth the provisions for dangerous goods consignments relative to marking, labelling,
and documentation, and, where appropriate, authorization of consignments and advance notifications.

Use of overpacks

(a) Unless marks and labels required in Chapter 5.2, except to, to
and, representative of all dangerous goods in the overpack are visible, the overpack
shall be:
(i) marked with the word “OVERPACK”. The lettering of the “OVERPACK” mark shall
be at least 12 mm high. The mark shall be in an official language of the country of
origin and also, if that language is not English, French or German, in English, French or
German, unless agreements, if any, concluded between the countries concerned in the
transport operation provide otherwise; and
(ii) labelled and marked with the UN number and other marks, as required for packages in
Chapter 5.2 except to, to and, for each item of
dangerous goods contained in the overpack. Each applicable mark or label only needs to
be applied once.
Labelling of overpacks containing radioactive material shall be in accordance with
(b) Orientation arrows illustrated in shall be displayed on two opposite sides of overpacks
containing packages which shall be marked in accordance with, unless the marks
remains visible.

Each package of dangerous goods contained in an overpack shall comply with all applicable
provisions of ADR. The intended function of each package shall not be impaired by the overpack.

Each package bearing package orientation marks as prescribed in and which is overpacked or
placed in a large packaging shall be oriented in accordance with such marks.

The prohibitions on mixed loading also apply to these overpacks.

Empty uncleaned packagings (including IBCs and large packagings), tanks, MEMUs, vehicles and containers for carriage in bulk

Empty uncleaned packagings (including IBCs and large packagings), tanks (including tank-vehicles,
battery-vehicles, demountable tanks, portable tanks, tank-containers, MEGCs), MEMUs, vehicles and
containers for carriage in bulk having contained dangerous goods of the different classes other than
Class 7, shall be marked and labelled as if they were full.
NOTE: For documentation, see Chapter 5.4.

Containers, tanks, IBCs, as well as other packagings and overpacks, used for the carriage of
radioactive material shall not be used for the storage or carriage of other goods unless decontaminated
below the level of 0.4 Bq/cm2 for beta and gamma emitters and low toxicity alpha emitters and 0.04
Bq/cm2 for all other alpha emitters.

Mixed packing

When two or more dangerous goods are packed within the same outer packaging, the package shall be
labelled and marked as required for each substance or article. If the same label is required for different
goods, it only needs to be applied once.

General provisions for Class 7

Approval of shipments and notificat


In addition to the approval of package designs described in Chapter 6.4, multilateral shipment
approval is also required in certain circumstances ( and In some circumstances it is
also necessary to notify competent authorities of a shipment (

Shipment approvals

Multilateral approval shall be required for:
(a) the shipment of Type B(M) packages not conforming with the requirements of or
designed to allow controlled intermittent venting;
(b) the shipment of Type B(M) packages containing radioactive material with an activity greater
than 3 000 A1 or 3 000 A2, as appropriate, or 1 000 TBq, whichever is the lower; and
(c) The shipment of packages containing fissile materials if the sum of the criticality safety
indexes of the packages in a single vehicle or container exceeds 50;
except that a competent authority may authorize carriage into or through its country without shipment
approval, by a specific provision in its design approval (see

Shipment approval by special arrangement

Provisions may be approved by a competent authority under which a consignment, which does not
satisfy all of the applicable requirements of ADR may be carried under special arrangement
(see 1.7.4).
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