Pipeline and Haz. Matls. Safety Admin., DOT
section, the word  - OXYGEN -  must appear on the label.
(c) For a package containing a Division 6.1, Packing Group III material,
the POISON label specified in Section 172.430
may be modified to display the text
 - PG III -  instead of  - POISON -  or
 - TOXIC -  below the mid line of the
label. Also see Section 172.313(d).
[Amdt. 172-123, 55 FR 52594, Dec. 21, 1990, as
amended at 56 FR 66255, Dec. 20, 1991; 57 FR
45458, Oct. 1, 1992; 64 FR 10776, Mar. 5, 1999; 66
FR 33425, June 21, 2001]

Section 172.406 Placement of labels.
(a) General. (1) Except as provided in
paragraphs (b) and (e) of this section,
each label required by this subpart
must - 
(i) Be printed on or affixed to a surface (other than the bottom) of the
package or containment device containing the hazardous material; and
(ii) Be located on the same surface of
the package and near the proper shipping name marking, if the package dimensions are adequate.
(2) Except as provided in paragraph
(e) of this section, duplicate labeling is
not required on a package or containment device (such as to satisfy redundant labeling requirements).
(b) Exceptions. A label may be printed
on or placed on a securely affixed tag,
or may be affixed by other suitable
means to:
(1) A package that contains no radioactive material and which has dimensions less than those of the required
label;
(2) A cylinder; and
(3) A package which has such an irregular surface that a label cannot be
satisfactorily affixed.
(c) Placement of multiple labels. When
primary and subsidiary hazard labels
are required, they must be displayed
next to each other. Placement conforms to this requirement if labels are
within 150 mm (6 inches) of one another.
(d) Contrast with background. Each
label must be printed on or affixed to a
background color contrasting to the
color specification of the label as required by Section 172.407(d)(1), or must have a
dotted or solid line outer border, to enhance the visibility of the label. However, the dotted or solid line outer bor-

Section 172.407

der may also be used for backgrounds
of contrasting color.
(e) Duplicate labeling. Generally, only
one of each different required label
must be displayed on a package. However, duplicate labels must be displayed on at least two sides or two
ends (other than the bottom) of - 
(1) Each package or overpack having
a volume of 1.8 m 3 (64 cubic feet) or
more;
(2) Each non-bulk package containing
a radioactive material;
(3) Each DOT 106 or 110 multi-unit
tank car tank. Labels must be displayed on each end;
(4) Each portable tank of less than
3,785 L (1000 gallons) capacity;
(5) Each freight container or aircraft
unit load device having a volume of 1.8
m3 (64 cubic feet) or more, but less than
18 m3 (640 cubic feet). One of each required label must be displayed on or
near the closure; and
(6) An IBC having a volume of 1.8 m3
(64 cubic feet) or more.
(f) Visibility. A label must be clearly
visible and may not be obscured by
markings or attachments.
[Amdt. 172-123, 55 FR 52594, Dec. 21, 1990, as
amended at 56 FR 66255, Dec. 20, 1991; Amdt.
172-130, 58 FR 51531, Oct. 1, 1993; 73 FR 4716,
Jan. 28, 2008; 81 FR 35540, June 2, 2016]

Section 172.407 Label specifications.
(a) Durability. Each label, whether
printed on or affixed to a package,
must be durable and weather resistant.
A label on a package must be able to
withstand, without deterioration or a
substantial change in color, a 30-day
exposure to conditions incident to
transportation that reasonably could
be expected to be encountered by the
labeled package.
(b) Design. (1) Except for size and
color, the printing, inner border, and
symbol on each label must be as shown
in SectionSection 172.411 through 172.448 of this subpart, as appropriate.
(2) The dotted line border shown on
each label is not part of the label specification, except when used as an alternative for the solid line outer border to
meet the requirements of Section 172.406(d) of
this subpart.
(c) Size. (1) Each diamond (square-onpoint) label prescribed in this subpart
must be at least 100 mm (3.9 inches) on

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