When this radioactive material meets the definitions and criteria of other classes or divisions as defined in Part 2, it must be classified in accordance with the following:

a) Where the substance meets the criteria for dangerous goods in
 excepted quantities as set out in 3;5, the packagings must be in
 accordance with 3;5.2 and meet the testing requirements of 3;5.3.
 All other requirements applicable to radioactive material, excepted
 packages as set out in 1;6.1.5 apply without reference to the other
 class or division;

b) Where the quantity exceeds the limits specified in 3;5.1.2, the
 substance must be classified in accordance with the predominant
 subsidiary hazard. The dangerous goods transport document must
 describe the substance with the proper shipping name and UN
 number applicable to the other class supplemented with the name
 applicable to the radioactive excepted package according to column
 1 of the Dangerous Goods List, and must be transported in
 accordance with the provisions applicable to that UN number. An
 example of the information shown on the dangerous goods transport
 document is:

UN 1993 Flammable liquid, n.o.s. (ethanol and toluene mixture),
 Radioactive material, excepted package - limited quantity of
 material, Class 3, PG II

The radioactive material, excepted package label (Figure 5-31) is
 not required on packages meeting the conditions set out in this
 sub-paragraph. To aid acceptance, it is recommended that "A130" be
 indicated on the dangerous goods transport document. In addition, the requirements of 2;7.2.4.1.1 apply;

c) The provisions of 3;4 for the transport of dangerous goods packed
 in limited quantities do not apply to substances classified in
 accordance with sub-paragraph b);

d) When the substance meets a special provision that excepts this
 substance from all dangerous goods provisions of the other classes,
 it must be classified in accordance with the applicable UN number
 of Class 7 and all requirements specified in 1;6.1.5 apply.