The Central Bank of Kenya is the only institution in Kenya with the mandate of issuing banknotes and coins. It has its Branches in Nairobi, Mombasa, Kisumu and Eldoret. The Bank supplies banknotes and coins to the economic system in bulk and destroys banknotes and coins that can no longer be used. It also manages the design and manufacturing of the currency. It is the Bank’s aim to have only good quality currency circulation. This is achieved by setting quality standards for currency in circulation. The standards were issued on 14th July 2008 under the Amended Banking Circular Number 4 of 2008.