In the last two weeks, I have received several calls about the requirement to add a UN number when shipping more than 4000 kg of one UN number.

There has been a change made by Amendment 6 to the TDG Regulations which was published in February 2008 in the table of 4.15 1(b). The word "must" has been changed to "may".

Therefore whenever a consignor is shipping more than 4000 kg of one UN number, the consignor may display the UN number.

See this page on Transport Canada’s website for complete text of section 4.15.

The Prime Minister has gone to the Governor General and now Canada is in the throes of a general election.

So what does this do to regulatory change? As the ministers are now in their ridings campaigning for re-election, how does Transport Canada get out the amendments to Amendment 6? There are a number of issues brought about by Amendment 6 that need to be clarified. Transport Canada (TC) did have some discussion papers posted on their website, but the website is now conspicuous by the absence of these papers.

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