49 C.F.R. § 172.320 Explosive hazardous materials.
Title 49 - Transportation
(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 §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 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 §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 §173.56(d) of this subchapter; (2) Those being shipped in accordance with §173.56(e) of this subchapter, for the purposes of developmental testing; (3) Those which meet the requirements of §173.56(h) of this subchapter and therefore are not subject to the approval process of §173.56 of this subchapter; (4) Until October 1, 1993, those which are shipped under §171.19 of this subchapter; and (5) Those that are transported in accordance with §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]
Title 49: Transportation
PART 172—HAZARDOUS MATERIALS TABLE, SPECIAL PROVISIONS, HAZARDOUS MATERIALS COMMUNICATIONS, EMERGENCY RESPONSE INFORMATION, AND TRAINING REQUIREMENTS
Subpart D—Marking
§ 172.320 Explosive hazardous materials.
