Donald Trump's relentless push for tariffs has thrown yet another spanner in the works of global trade - but New Zealand exporters might fare okay. 

The President's introducing temporary 15% tariffs to replace those enacted last year, after the Supreme Court outlawed them. 

It's unclear if the mechanism he's using to justify the new levies stacks up, as it applies when the US faces a balance of payments deficit.

Trade Minister Todd McClay told Mike Hosking that we were facing mostly 15% tariffs already, so not much has changed for our exporters. 

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