Indonesia's financial development is also marked by the diversification of financial products, namely by the emergence of non-bank financing institutions that can be used as alternatives to meet the community's needs for the desired financing. The development of non-bank financial institutions that offer various forms of financing facilities will further expand the provision of alternative financing for the business world and the needs of the Indonesian people in the Indonesian economic system. This study aims to determine the determination of Islamic financing and the mechanism of sanctions for late payments at the Metro City FIF. This type of research is field research (field research). While the nature of this research is descriptive. The data sources used are primary and secondary data sources. Data was collected using interview and documentation techniques. The data from the findings are described descriptively and analyzed using inductive thinking. The results of this study indicate that the determination of Islamic financing in the Islamic system is not known as the interest system as an instrument to obtain profits for the company. Because basically sharia financing in conducting business transactions uses a sale and purchase contract or known as murabahah, which is a contract used to procure an item by confirming the purchase price to the buyer and the buyer pays it in installments at a higher price as profit. The Sharia FIF mechanism if the consumer is unable to pay the installments then the goods will be withdrawn and resold. So that the FIF Syariah does not pay attention and even tends to eliminate the risk aspects that will be encountered when the customer/consumer occurs in the event of a delay in payment