三司先降纸式并长二尺三寸,付洪、歙州捣造,除给中书、枢密、学士院外,自余止用次等黄纸,非诏敕所用,悉染浅色。近日颇有逾式者,望申明前禁。——《宋会要辑稿·刑法》真宗景德五年(1008年) In addition to the book, confidential, academic outside the school, since the only secondary yellow paper used, non-edicts used to learn to dye light-colored. In recent days there are more than those who hope to declare the former ban. - “Song will be edited draft · Criminal Law” Jingzong Jingdezhen five years (1008 years)