Investment firm licensees that undertake both conventional finance and Shari'a compliant transactions must comply with International Financial Reporting Standards / International Accounting Standards and, to the extent that they undertake Shari'a compliant activities, relevant standards issued by the Accounting and Auditing Organisation for Islamic Financial Institutions (AAOIFI). Such firms must also apply AAOIFI Financial Accounting Standard 18, "Islamic Financial Services Offered by Conventional Financial Institutions".