The textbook reveals the content of the auditing standards of Islamic financial institutions, the management standard "Internal Sharia Audit" and the new Code of Ethics for specialists in Islamic finance. They are developed and published by the Accounting and Auditing Organization for Islamic Financial Institutions (AAOIFI — AAOIFI), registered in Bahrain. The new Code began to be applied from the financial period beginning on January 1, 2021. Auditing, management standards and the Code of Ethics for Islamic Finance Professionals have been fully or partially adopted as mandatory regulatory requirements in countries such as Bahrain, Jordan, Kyrgyzstan, Mauritius, Nigeria, Qatar, Oman, Pakistan, Sudan, Syria, Yemen. The textbook includes questions and tasks for self-examination, test tasks, a glossary. Meets the requirements of the federal state educational standards of higher education of the latest generation. For undergraduates, as well as anyone who wants to systematically study the issues of standardization of audit and business ethics according to Islamic principles.