“…So that Islamic banks and other sharia financial institutions do not implement products that can conflict with sharia principles. If this happens, the application of financing in Islamic banking will be far from the initial concept of establishing Islamic banks and the laws of Islamic finance (Bawanti & Hasan, 2018 (Hasan, Syarifuddin, & Luntajo, 2016). The importance of the MUI DSN Fatwa rules for sharia product quality assurance, the Islamic Financial Institutions should be the MUI DSN fatwa as a mecca in terms of the application of products in the LKS, especially in Bank Mandiri Syariah, Manado Branch.…”