The Act Party won't be jumping on board a Parliamentary tour of Europe.

Speaker Trevor Mallard and National's Judith Collins are leading a delegation of MPs to Europe, in an effort to help smooth the path for New Zealand's trade deal with the European Union.

MPs will leave after Budget Day - May 19.

Act Leader David Seymour told Mike Hosking it's a waste of taxpayers' money, with no rationale behind the trip.

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