Transportation. Part173:Shippers—general requirements for shipments and packagings. Section173.421:Excepted packages for limited quantities of Class 7 (radioactive) materials.
A Class 7 (radioactive) material with an activity per package which does not exceed the limited quantity package limits specified in Table 4 in § 173.425, and its packaging, are excepted from requirements in this subchapter for specification packaging, marking (except for the UN identification number marking requirement described in § 173.422(a)), labeling, and if not a hazardous substance or hazardous waste, shipping papers, and the requirements of this subpart if: