(a) When not required or prohibited by this subpart, identification numbers may be displayed on a transport vehicle or a freight container in the manner prescribed by this subpart.
(b) Identification numbers, when required, must be displayed on either orange panels (see Sec. 172.332(b)) or on a plain white square-on-point display configuration having the same outside dimensions as a placard. In addition, for materials in hazard classes for which placards are specified and identification number displays are required, but for which identification numbers may not be displayed on the placards authorized for the material (see Sec. 172.334(a)), identification numbers must be displayed on orange panels or on the plain white square-on-point display configuration in association with the required placards. An identification number displayed on a white square-on-point display configuration is not considered to be a placard.
(1) The 100 mm (3.9 inch) by 215 mm (8.5 inches) area containing the identification number shall be located as prescribed by Sec. 172.332 (c)(1) and (c)(2) and may be outlined with a solid or dotted line border.
(2) [Reserved]
(c) Identification Numbers are not required: ------------------------------------------------------------------------
Then the
alternative
Packaging: When: marking
requirement is:------------------------------------------------------------------------On the ends of portable tanks, They have more The identification
cargo tanks, or tank cars. than one numbers on the
compartment and sides of the tank
hazardous are displayed in
materials with the same sequence
different as the
identification compartments
numbers are being containing the
transported materials they
therein. identify.On cargo tanks.................. They contain only The tank is marked
gasoline. ``Gasoline'' on
each side and
rear in letters
no less than 50
mm (2 inches)
high, or is
placarded in
accordance with
Sec. 172.542(c).On cargo tanks.................. They contain only The cargo tank is
fuel oil. marked ``Fuel
Oil'' on each
side and rear in
letters no less
than 50 mm (2
inches) high, or
is placarded in
accordance with
Sec. 172.544(c).
On one end of nurse tanks if They meet the N/A.
that end contains valves, provisions of
fittings, regulators or gauges Sec. 173.315(m)
when those appurtenances of this
prevent the markings and subchapter.
placard from being properly
placed and visible.On cargo tanks, including They contain more The identification
compartmented cargo tanks, or than one number for the
tank cars. petroleum liquid petroleum
distillate fuel. distillate fuel
having the lowest
flash point is
displayed. If the
cargo tank also
contains gasoline
and alcohol fuel
blends consisting
of more than 10%
ethanol the
identification
number ``3475''
or ``1987,'' as
appropriate, must
also be
displayed.------------------------------------------------------------------------
(d) When a bulk packaging is labeled instead of placarded in accordance with Sec. 172.514(c) of this subchapter, identification number markings may be displayed on the package in accordance with the marking requirements of Sec. 172.301(a)(1) of this subchapter. [Amdt. 172-101, 45 FR 74667, Nov. 10, 1980, as amended by Amdt. 172-74, 47 FR 40365, Sept. 30, 1982; Amdt. 172-109, 52 FR 13038, Apr. 20, 1987; Amdt. 172-110, 52 FR 29528, Aug. 10, 1987; Amdt. 172-123, 55 FR 52593, Dec. 21, 1990; 56 FR 66255, Dec. 20, 1991; 65 FR 50459, Aug. 18, 2000; 73 FR 4716, Jan. 28, 2008; 76 FR 43527, July 20, 2011; 78 FR 14714, Mar. 7, 2013; 78 FR 65478, Oct. 31, 2013]