[Code of Federal Regulations]
[Title 49, Volume 2]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR172.334]

[Page 366-367]
 
                        TITLE 49--TRANSPORTATION
 
 CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 172_HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS 
 
      Subpart B_Table of Hazardous Materials and Special Provisions
 
Sec. 172.334  Identification numbers; prohibited display.

    (a) No person may display an identification number on a RADIOACTIVE, 
EXPLOSIVES 1.1, 1.2, 1.3, 1.4, 1.5 or 1.6, DANGEROUS, or subsidiary 
hazard placard.
    (b) No person may display an identification number on a placard, 
orange panel or white square-on-point display configuration unless--
    (1) The identification number is specified for the material in Sec. 
172.101;
    (2) The identification number is displayed on the placard, orange 
panel or white square-on-point configuration authorized by Sec. 172.332 
or Sec. 172.336(b), as appropriate, and any placard used for display of 
the identification number corresponds to the hazard class of the 
material specified in Sec. 172.504;
    (3) Except as provided under Sec. 172.336 (c)(4) or (c)(5), the 
package, freight container, or transport vehicle on which the number is 
displayed contains the

[[Page 367]]

hazardous material associated with that identification number in Sec. 
172.101.
    (c) Except as required by Sec. 172.332(c)(4) for a combustible 
liquid, the identification number of a material may be displayed only on 
the placards required by the tables in Sec. 172.504.
    (d) Except as provided in Sec. 172.336, a placard bearing an 
identification number may not be used to meet the requirements of 
subpart F of this part unless it is the correct identification number 
for all hazardous materials of the same class in the transport vehicle 
or freight container on which it is displayed.
    (e) Except as specified in Sec. 172.338, an identification number 
may not be displayed on an orange panel on a cargo tank unless affixed 
to the cargo tank by the person offering the hazardous material for 
transportation in the cargo tank.
    (f) If a placard is required by Sec. 172.504, an identification 
number may not be displayed on an orange panel unless it is displayed in 
proximity to the placard.
    (g) No person shall add any color, number, letter, symbol, or word 
other than as specified in this subchapter, to any identification number 
marking display which is required or authorized by this subchapter.

[Amdt. 172-101, 45 FR 74667, Nov. 10, 1980, as amended by Amdt. 172-104, 
51 FR 23078, June 25, 1986; Amdt. 172-110, 52 FR 29528, Aug. 10, 1987; 
Amdt. 172-123, 55 FR 52593, Dec. 21, 1990; 56 FR 66255, Dec. 20, 1991; 
Amdt. 172-127, 59 FR 49133, Sept. 26, 1994]