Categories Circular Central Bank of Oman: Circular BM 478 Guidance Rules for Treasury Bill Issues and Related Transactions BM 478 Post author By admin Post date June 20, 1987 You do not have access to this page. Please view our subscribe page to learn more about our subscription, or login if you already have an account. Username or E-mail Password Remember Me Forgot Password Tags Central Bank of Oman ← Royal Decree 50/87 Appointing an Undersecretary for Media Affairs and Promoting a Director General → Royal Decree 55/87 Ratifying the Agreement Between the Government of the Sultanate of Oman and the Government of the Republic of Singapore for Air Services