General provisions — apply to any mode of transport, bulk and non-bulk packagings
Black powder that has been classed in accordance with the requirements of § 173.56 of this subchapter may be reclassed and offered for domestic transportation as a Division 4.1 material if it is offered for transportation and transported in accordance with the limitations and packaging requirements of § 173.170 of this subchapter.
1 UN entry reference 70 in column 7.