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.
Doing this will be considered noncompliance. The IRB requires witness signatures for the following reasons: For short form consent documents, the witness to the oral presentation signs and dates the consent document and the summary. The person obtaining consent may not be the witness to the consent.