CBN: Old N100, N200, N500, N1,000 Banknotes Remain Legal Tender Indefinitely 

He said, “Thus, all banknotes issued by the CBN in accordance with Section 20(5) of the CBN Act 2007, will continue to remain legal tender, ad infinitum, even beyond the initial December 31, 2023 deadline.

“The Central Bank of Nigeria is working with the relevant authorities to vacate the subsisting court ruling on the same subject.”