The Wealth of Nations by Part 4 Chapter 5 Page 84

The rigour of this law was afterwards softened by several subsequent statutes, which successively permitted the engrossing of corn when the price of wheat should not exceed twenty, twenty-four, thirty-two, and forty shillings the quarter. At last, by the 15th of Charles II, c. 7, the engrossing or buying of corn in order to sell it again, as long as the price of wheat did not exceed forty-eight shillings the quarter, and that of other grain in proportion, was declared lawful to all persons not being forestallers, that is, not selling again in the same market within three months.

All the freedom which the trade of the inland corn dealer has ever yet enjoyed was bestowed upon it by this statute. The statute of the 12th of the present king, which repeals almost all the other ancient laws against engrossers and forestallers,