[header] How to write a business case [title] Identify and thoroughly understand a relevant business problem, issue or goal. [step] Your first step in creating a successful business case is to clearly identify the business problem, issue or goal that your business case will address. Hold a brainstorming session with your business's decision makers and managers in order to understand the problems that arose and the business goals surrounding the problems. 
[substeps] It is crucial to clearly define the problem and parameter of the solution. There should be an agreement about the scope between the person authorizing the business case and those who will execute analysis.