The quality of the data provided is important to the success of accounting information systems. The evidence indicatesthatorganizationshavedataqualityproblems. Accountinginformationsystemsareoneofthecore systems in the organization; therefore, knowledge of how to manage the quality of accounting information has become critical. The research proposed here will develop and test a model that identifies the critical success factors influencing data quality in accounting information systems. The research will involve case studies of accounting information quality in Australian organizations in practice and then will use case study findings to modify the initial research model and identify the possible set of success factors. This paper describes the overall objectives of this research and the methodology to be employed.