Article 59 of the CBB Law requires that Islamic bank licensees must maintain comprehensive books of accounts and other records, and satisfy the minimum record-keeping requirements contained in Article 60 of the pre-mentioned Law and in Module OM. Books of accounts must comply with the Financial Accounting Standards issued by the Accounting and Auditing Organisation for Islamic Financial Institutions (AAOIFI), or with International Financial Reporting Standards (IFRS) / International Accounting Standards (IAS), where no relevant AAOIFI standard exists. As per Article 62 of the CBB Law, annual audited financial statements must be submitted to the CBB within 90 days of the licensee's financial year-end.