[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: 49CFR172.320]

[Page 357-358]
 
                        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. 172.320  Explosive hazardous materials.

    (a) Except as otherwise provided in paragraphs (b), (c), (d) and (e) 
of this section, each package containing a Class 1 material must be 
marked with the EX-number for each substance, article or device 
contained therein.
    (b) Except for fireworks approved in accordance with Sec. 173.56(j) 
of this subchapter, a package of Class 1 materials may be marked, in 
lieu of the EX-number required by paragraph (a) of this section, with a 
national stock number issued by the Department of Defense or identifying 
information, such as a product code required by regulations for 
commercial explosives specified in 27 CFR part 55, if the national stock

[[Page 358]]

number or identifying information can be specifically associated with 
the EX-number assigned.
    (c) When more than five different Class 1 materials are packed in 
the same package, the package may be marked with only five of the EX-
numbers, national stock numbers, product codes, or combination thereof.
    (d) The requirements of this section do not apply if the EX-number, 
product code or national stock number of each explosive item described 
under a proper shipping description is shown in association with the 
shipping description required by Sec. 172.202(a) of this part. Product 
codes and national stock numbers must be traceable to the specific EX-
number assigned by the Associate Administrator.
    (e) The requirements of this section do not apply to the following 
Class 1 materials:
    (1) Those being shipped to a testing agency in accordance with Sec. 
173.56(d) of this subchapter;
    (2) Those being shipped in accordance with Sec. 173.56(e) of this 
subchapter, for the purposes of developmental testing;
    (3) Those which meet the requirements of Sec. 173.56(h) of this 
subchapter and therefore are not subject to the approval process of 
Sec. 173.56 of this subchapter;
    (4) Until October 1, 1993, those which are shipped under Sec. 
171.19 of this subchapter; and
    (5) Those that are transported in accordance with Sec. 173.56(c)(2) 
of this subchapter and, therefore, are covered by a national security 
classification currently in effect.

[Amdt. 172-123, 56 FR 66254, Dec. 20, 1991, as amended by Amdt. 172-139, 
59 FR 67487, Dec. 29, 1994; 66 FR 45379, Aug. 28, 2001]