49 C.F.R. § 173.145 Other Regulated Materials—Assignment of packing group.
Title 49 - Transportation
Packing groups are not assigned to ORM-D materials.
Title 49: Transportation
PART 173—SHIPPERS—GENERAL REQUIREMENTS FOR SHIPMENTS AND PACKAGINGS
Subpart D—Definitions Classification, Packing Group Assignments and Exceptions for Hazardous Materials Other Than Class 1 and Class 7
§ 173.145 Other Regulated Materials—Assignment of packing group.