Implementing the Expected Credit Loss (ECL) model under IFRS 9 can be tricky for many businesses. One of the biggest challenges is accurately predicting future credit losses, which requires solid data and forecasting models. Companies must also consider macroeconomic factors, making the process even more complex. For smaller organizations, the cost of upgrading systems to comply with the new standards such as IFRS 9 ECL software, can be a significant hurdle. Additionally, aligning teams across finance, risk, and IT departments to ensure smooth implementation can take time and resources. Despite these challenges, mastering the ECL model is crucial for businesses to better manage credit risks.