Audit procedures associated with the revenue cycle is the main point in this report. Basically, it is divided into three sections. First, it begins with a review of alternative technologies used in both legacy and modern system. The focus is on the key operational task performed under each technological environment. The second section discusses the revenue cycle audit objectives, controls and test of controls that an auditor would perform to gather evidence needed to limit the scope, timing and extent of substantive tests. The last section describes revenue cycle substantive tests in relation to audit objectives.