‹ BC-4.16 Interest on Credit Facilities BC-4.17 Blocking Customer Accounts › BC-4.16.1 Conventional retail bank licensees must not charge interest on credit facilities using a 'monthly flat rate'; they must instead use an effective interest rate based on a reducing balance method. Added: October 2019 ‹ BC-4.16 Interest on Credit Facilities BC-4.17 Blocking Customer Accounts ›