Peters has been among many championing a message of peace in the Middle East this week.
Sitting down with Newshub's Political Editor Jenna Lynch, Luxon warned we're facing "a more volatile, uncertain, complex, ambiguous world".
Luxon also said the legal deals would allow for more humanitarian work.
But Luxon said there has been no change in position since when Labour was in government.
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Myanmar community members applied for the courts to bar the diplomat from attending the Association of Southeast Asian Nations (ASEAN).
The two Prime Ministers discussed economic cooperation on Wednesday.
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Watch the media briefing here.