Document ID: chunk:federal_register_of_legislation:F2024C00220:reg:21
Version: federal_register_of_legislation:F2024C00220
Segment Type: reg
Provision Reference: reg 21
Character Range: 38200–38827

21  Dangerous or harmful substances and things that must not be carried by post
  For the purposes of subparagraph 471.15(1)(b)(ii) of the Code, the following are dangerous or harmful substances or things that must not, without exception, be carried by post:
 (a) gas that is so toxic or corrosive to humans as to pose a hazard to health;
 (b) a thermally unstable substance that is likely to undergo a strongly exothermic decomposition;
 (c) a substance that ignites or self‑heats when in contact with air.

Part 5—Application, saving and transitional provisions

Division 1—Provisions for this instrument as originally made