2019-04-25 | COD\GEN\01\23-01-2019The Central Bank of Nigeria's guidelines outline standards for the quality of Nigerian banknotes in circulation, including their appearance, security features, and durability. These guidelines classify banknotes as fit for recirculation or unfit, with unfit notes to be returned to the CBN for exchange. The document also provides processes for withdrawing unfit banknotes and aims to maintain public confidence in the national currency.