By Miracle Ogunde One of Nigeria's leading banks, Guaranty Trust Bank, popularly known as GTbank, has issued an important notice to all customers mandating them to link both their Bank Verification Number (BVN) and National Identity Number (NIN) to their GTBank Accounts. The notice was obtained by Starnews NG on Thursday through an email sent by the bank to all their customers The notice reads: “Dear Valued Customer, “We would like to bring to your attention the mandatory requirement to link both your Bank Verification Number (BVN) and National Identity Number (NIN) to your GTBank Account. “This must be completed