Receptacles, small containing gas (toxic, oxidizing and corrosive) or Gas cartridges (toxic, oxidizing and corrosive) which are intended for use in sterilization devices only, when containing:

a) UN1067 - Nitrogen dioxide; or

b) UN1660 - Nitric oxide, compressed

may be transported on passenger and cargo aircraft irrespective of the indication of "forbidden" in columns 10 to 13 of Table 3-1, provided:

a) the water capacity of receptacles or gas cartridges does not exceed 30 mL;

b) receptacles or gas cartridges are designed such that the burst pressure is not less than four times the pressure in the cartridge at 55 °C;

c) receptacles or gas cartridges are packed in a compatible, sealed intermediate packaging with sufficient adsorbent material capable of containing the contents of the gas cartridge;

d) intermediate packagings are securely packed in an outer packaging of a type permitted by Packing Instruction 203 meeting the Packing Group I performance requirements of Part 6; Chapter 1;

e) the aggregate water capacity of all receptacles or gas cartridges in a package does not exceed 300 mL;

f) packages bearing hazard labels denoting the hazards of "toxic gas", "oxidizer" and "corrosive"; and

g) reference to Special Provision A211 is made on the dangerous goods transport document as required by Part 5;4.1.5.8.

If the above conditions are met, the requirements of Special Provision A2 do not apply.