Utilizing enterprise resource planning (ERP) systems hasbeen grown substantially in public and private organizations in Iran.Examining the best practices of implementing, the financial module ofERP helps to reduce the failure rate of implementing this system. Theproper deployment and efficient management of the financial module,increase the chance of success in implementing ERP system. Currentresearch, conduct a deep exploration of the relevant literature in orderto find the general and specific indicators of evaluating the successfulimplementation of financial module of the system. Then, the identifiedindicators were prioritized through using questionnaires andinterviews with some project managers and domain experts in one ofthe largest public organizations in Iran. The best practices arespecified separately for each of the key financial modules of the ERPsystem. The results of this study provide appropriate guidelines forimplementation financial module of ERP in other similarorganizations.