The Bank of Sierra Leone has announced the mandatory use of the National Identification Number (NIN) for the opening and maintenance of all customer accounts across financial institutions in the country. Effective immediately, all new individual accounts must be opened using a valid NIN issued by the National Civil Registration Authority (NCRA). For business accounts, a valid Tax Identification Number (TIN) issued by the National Revenue Authority (NRA) will be required.
In addition, the Bank has directed that all existing account holders must update their account records to include their NIN by December 31st, 2025. This move is part of a broader effort to strengthen the integrity of the financial system and ensure compliance with national identification and verification standards.
Furthermore, customers who intend to access the National Switch for digital payments must link their NIN to their bank accounts no later than August 31st, 2025. The National Switch is a key component in Sierra Leone’s financial inclusion drive, and the Bank of Sierra Leone believes that linking NINs will enhance security, accountability, and efficiency in the banking and payment ecosystem.

