blue box
n.— «Green box, blue box, amber box and de minimus—which refer to the various kinds of subsidies governments give to the farming community—are terms used quite frequently in the World Trade Organisation (WTO) parlance.» —“Divided spectrum” Financial Express (India) Nov. 28, 2005. (source: Double-Tongued Dictionary)
Further reading
How long can a newly married woman be called a bride? Does bride apply only as long as her wedding day, or does it extend right on through the couple’s silver anniversary and beyond? Plus, insightful advice about writing from a Pulitzer...
We tend to take the index of a book for granted, but centuries ago, these helpful lists were viewed with suspicion. Some even worried that indexes would harm reading comprehension! A witty new book tells the story. Plus, the Latin term bona fides...