The International plant protection Convention (IPPC) is a multilateral treaty for plant protection to which 116 governments currently adhere.

国际植物保护公约(IPPC)是一个有关植物保护的多边国际协议，目前有116个签约国。

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The countries who now adhere to the treaty undertake not to pursue territorial claims in Antarctica and to protect the continent's flora and fauna.

BBC: Antarctic Bill part one

Also, they need to adhere to the other strictures of the Maastricht treaty and not fall into the temptation of abandoning the Euro.

FORBES: Europe's Solution Isn't More Inflation

We would expect that that treaty, just as if this government changed hands in an election, that you adhere to the treaties that previous presidents have signed and have been ratified in the past.

WHITEHOUSE: Press Briefing