Dangerous Goods by Road
the following marks shall be applied:
(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) "iso 16111" (the technical standard used for design, manufacture and testing);
(c) the character(s) identifying the country of approval as indicated by the distinguishing sign
used on vehicles in international road traffic2;
note: the country of approval shall be understood to be the country that approved the body which
inspected the individual receptacle at the time of manufacture.
(d) the identity mark or stamp of the inspection body that is registered with the competent
authority of the country authorizing the marking;
(e) the date of the initial inspection, the year (four digits) followed by the month (two digits)
separated by a slash (i.e. "/");
(f) the test pressure of the receptacle in bar, preceded by the letters "ph" and followed by the
letters "bar";
(g) the rated charging pressure of the metal hydride storage system in bar, preceded by the letters
"rcp" and followed by the letters "bar";
(h) the manufacturer's mark registered by the competent authority. when the country of
manufacture is not the same as the country of approval, then the manufacturer's mark shall be
preceded by the character(s) identifying the country of manufacture as indicated by the
distinguishing sign used on vehicles in international road traffic2. the country mark and the
manufacturer’s mark shall be separated by a space or slash;
(i) the serial number assigned by the manufacturer;
(j) in the case of steel receptacles and composite receptacles with steel liner, the letter
"h" showing compatibility of the steel (see iso 11114-1:2012); and,
(k) in the case of metal hydride storage systems having limited life, the date of expiry, denoted
by the letters "final" followed by the year (four digits) followed by the month (two digits)
separated by a slash (i.e. "/").
2 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 1968.
the certification marks specified in (a) to (e) above shall appear consecutively in the sequence given.
the test pressure (f) shall be immediately preceded by the rated charging pressure (g). the
manufacturing marks specified in (h) to (k) above shall appear consecutively in the sequence given