49 C.F.R. § 173.129 Class 5, Division 5.2—Assignment of packing group.
Title 49 - Transportation
All Division 5.2 materials are assigned to Packing Group II in column 5 of the §172.101 table.
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
§ 173.129 Class 5, Division 5.2—Assignment of packing group.