If I desired to be completely unambiguous, I would say a thing like "must be shipped in advance of ...". On the flip side, often the ambiguity is irrelevant, regardless of which Conference governed it, if a bottle of milk said "Best f used by August tenth", You could https://premium-lumbers-for-sale96273.creacionblog.com/36180319/the-smart-trick-of-lumber-for-sale-cheap-that-no-one-is-discussing