Washington DC - Donald Trump on Monday threatened 200% tariffs on French wine and champagne over France's reported intentions to decline the US president's invitation to join his so-called "Board of Peace."

The board was originally conceived to oversee the rebuilding of Gaza, which has been destroyed by Israel with fully US backing, but the charter does not appear to limit its role to the illegally occupied Palestinian territory.

Trump confirmed he had invited his Russian counterpart Vladimir Putin to join his Board of Peace, after the Kremlin earlier Monday reported the invite.

"Yes, he's been invited," Trump told a reporter in Florida who asked if he had asked Putin to join the body.

But a source close to Macron told AFP on Monday that France "does not intend to answer favorably" to the invitation, due to a concerns about the board's charter, which "goes beyond the sole framework of Gaza."

"Oh, did he say that?" Trump asked when informed by a reporter to comment, before continuing: "Well, nobody wants him because he's going to be out of office very soon."

"What I'll do is, if they feel like hostile, I'll put a 200% tariff on his wines and champagnes. And he'll join. But he doesn't have to join," he added.

In response, a source told AFP that France considers "tariff threats to influence our foreign policy... unacceptable and ineffective."

Trump has been at loggerheads with traditional European allies, in particular when it comes to his repeated threats of seizing Greenland, an autonomous territory of NATO member Denmark.