“…(Kaplan, 1984) One of the new systems of costing whose various applications are expanding in service activities day by day is called Activity-Based Costing (ABC) system. Using appropriate methods, this system calculates the effects of changes in activities, complexities, diversity and the particular characteristics of each activity (Ross 2004, Lievens et al 2003. Now, according to the contents expressed about the importance of Activity-Based Costing system in public organizations for accountability and transparency of financial activities, this study seeks to identify and prioritize the factors affecting the deployment of ABC in Qaemshahr Municipality.…”