Development of the banknote began in the Tang Dynasty during the 7th century, with local issues of paper currency, although true paper money did not appear until the 11th century, during the Song Dynasty.
A contract typically does not have to be notarized. A notary public (or simply notary) provides an acknowledgment that the signature appearing on the document is that of the person whose signature it purports to be. There is a requirement that some documents be notarized, such as a real property deed.
The second common requirement for both warranty and quitclaim deeds is that the deed must contain operative words of conveyance showing intent to transfer present title. As previously discussed, the words conveys and warrants are statutory words of conveyance that include covenants of warranty. 765 ILCS 5/8, 5/9.