A packaging that meets the requirements of this section and of 6.3.5 shall be marked with:
(a) The United Nations packaging symbol 
This symbol shall not be used for any purpose other than certifying that a packaging, a flexible
bulk container, a portable tank or a MEGC complies with the relevant requirements in
Chapter 6.1, 6.2, 6.3, 6.5, 6.6, 6.7 or 6.11;
(b) The code designating the type of packaging according to the requirements of 6.1.2;
(c) The text "CLASS 6.2";
(d) The last two digits of the year of manufacture of the packaging;
(e) The state authorizing the allocation of the mark, indicated by the distinguishing sign used on
vehicles in international road traffic1;
(f) The name of the manufacturer or other identification of the packaging specified by the
competent authority;
(g) For packagings meeting the requirements of, the letter "U", inserted immediately
following the mark required in (b) above.

Marks shall be applied in the sequence shown in (a) to (g); each mark required in these subparagraphs
shall be clearly separated, e.g. by a slash or space, so as to be easily identifiable. For
examples, see
Any additional marks authorized by a competent authority shall still enable the marks required in to be correctly identified.

Example of marking

Test requirements for packagings

Performance and frequency of tests

The design type of each packaging shall be tested as provided in this section in accordance with
procedures established by the competent authority allowing the allocation of the mark and shall be
approved by this competent authority.

Each packaging design type shall successfully pass the tests prescribed in this Chapter before being
used. A packaging design type is defined by the design, size, material and thickness, manner of
construction and packing, but may include various surface treatments. It also includes packagings
which differ from the design type only in their lesser design height.

Tests shall be repeated on production samples at intervals established by the competent authority.
1 Distinguishing sign of the State of registration used on motor vehicles and trailers in international road traffic,
e.g. in accordance with the Geneva Convention on Road Traffic of 1949 or the Vienna Convention on Road Traffic of

Tests shall also be repeated after each modification which alters the design, material or manner of
construction of a packaging.

The competent authority may permit the selective testing of packagings that differ only in minor
respects from a tested type, e.g. smaller sizes or lower net mass of primary receptacles; and
packagings such as drums and boxes which are produced with small reductions in external

Primary receptacles of any type may be assembled within a secondary packaging and carried  without
testing in the rigid outer packaging under the following conditions:
(a) The rigid outer packaging shall have been successfully tested in accordance with with 
fragile (e.g. glass) primary receptacles;
(b)    The total combined gross mass of primary receptacles shall not exceed one half the gross 
mass  of primary receptacles used for the drop test in (a) above;
(c)    The thickness of cushioning between primary receptacles and between primary receptacles and 
the outside of the secondary packaging shall not be reduced below the corresponding thicknesses in 
the originally tested packaging; and if a single primary receptacle was used in  the original test, 
the thickness of cushioning between primary receptacles shall not be less than the thickness of 
cushioning between the outside of the secondary packaging and the primary receptacle in the 
original test. When either fewer or smaller primary receptacles are used (as compared to the 
primary receptacles used in the drop test), sufficient additional cushioning material shall be used 
to take up the void spaces;
(d)   The rigid outer packaging shall have successfully passed the stacking test in while   
empty. The total mass of identical packages shall be based on the combined mass of packagings used 
in the drop test in (a) above;
(e) For primary receptacles containing  liquids,  an  adequate  quantity  of  absorbent  material  
to absorb the entire liquid content of the primary receptacles shall be present;
(f) If the rigid outer packaging is intended to contain primary receptacles for liquids and is not 
leakproof, or is intended to contain primary receptacles for solids and is not siftproof, a means 
of containing any liquid or solid contents in the event of leakage shall be provided in the form of 
a leakproof liner, plastics bag or other equally effective means of containment;
(g) In addition to the marks prescribed in (a) to (f), packagings  shall  be  marked  in 
accordance with (g).

The competent authority may at any time require proof, by tests in accordance with this section, that
serially-produced packagings meet the requirements of the design type tests.

Provided the validity of the test results is not affected and with the approval of the competent
authority, several tests may be made on one sample.

Preparation of packagings for testing

Samples of each packaging shall be prepared as for carriage, except that a liquid or solid infectious
substance shall be replaced by water or, where conditioning at –18 °C is specified, by
water/antifreeze. Each primary receptacle shall be filled to not less than 98% of its capacity.
NOTE: The term water includes water/antifreeze solution with a minimum specific gravity of 0.95
for testing at – 18 °C.
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