With respect to the transport by air of dangerous goods listed in paragraph 1;2.3.2 of these Instructions, the competent authority from Brunei Darussalam (BN 1) has notified the following instructions:

1. dangerous goods as described in sub-paragraphs a), b) and c) of paragraph 1;2.3.2 of these instructions are not permitted for transport in airmail to, from, or transiting through Brunei Darussalam; and

2. dangerous goods as described in sub-paragraphs d) and e) of paragraph 1;2.3.2 of these instructions are permitted for transport in airmail to or transiting through Brunei Darussalam, only if shipped by a designated postal operator. See the Universal Postal Union's (UPU) website at: